Let's Climunicate

"Scientists can't even predict next week's weather, how can they predict 2100?"

They can't. And they're not trying to.

In Episode 4 of the Let's Climunicate solo series, Dr. Alberto Troccoli dismantles the single most damaging confusion in climate communication: the difference between a forecast and a projection. One tells you what to wear tomorrow. The other tells you how to build for the next century. Confuse them, and everything falls apart.

Time Stamps

00:00 - 01:58 Introduction: The Prediction Trap

01:58 - 07:21 Weather Forecasts vs. Climate Projections: The GPS vs. The Map

07:21 - 08:59 Rule 1: Forecasts Are Initialized, Projections Are Conditional

08:59 - 11:18 Rule 2: Uncertainty Expands, But the Signal Persists

11:18 - 12:55 Rule 3: Scale Matters in Time as Well as Space

12:55 - 15:22 Case Study: The IPCC's Five Scenarios — Why 1.5°C and 4.4°C Are Both "Right"

15:22 - 16:54 Conclusion: Forecast Tells You What to Wear. Projection Tells You How to Build.

We dive deep into:

👉🏻 Why climate scientists are not allowed to say "will" when talking about 2100 — and why that precision matters

👉🏻 The GPS vs. terrain map analogy: weather forecasts are initialized from today's atmosphere; climate projections are conditional on human choices we haven't made yet

👉🏻 The butterfly effect: why forecast accuracy degrades after 10–15 days, but projections remain robust for decades

👉🏻 The IPCC's five SSP scenarios: why 1.5°C and 4.4°C are not "predictions" but "what-if" stories based on emissions pathways we choose

👉🏻 Why "models disagree on the number but agree on the direction" is the most important sentence in climate science

👉🏻 Climate sensitivity (2.5–4°C per CO₂ doubling): uncertainty about how much, not whether

👉🏻 The 2047 cold winter paradox: why a cold decade doesn't disprove a warming projection — and how the anomaly framework from Episode 1 saves you from this trap

👉🏻 Why treating projections as "failed forecasts" is the same category error as confusing weather and climate

If you've ever felt paralysed by climate certainty or dismissive of climate doubt, you're responding to a translation failure. This episode gives you the vocabulary to think clearly about uncertainty, without despair, without denial, and without false precision.

This is Episode 4 of the solo series.

🎙️ Host: Alberto Troccoli | Let's Communicate

🌍 Stay connected with Let's Climunicate!

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📅 Episode recorded on 18/05/2026

#climatemodels #climateprojections #ipcc #climatechange #climatescience #weatherforecast #climatecommunication #uncertainty #climatedata #globalwarming #climatepolicy #climateeducation #sciencecommunication #climateexplained #letsclimunicate #climatescience #climatedebate #climatemisinformation #climateaction #climatefuture #climatesensitivity #EmissionsPathways #SSPSenarios #climateprediction #climateuncertainty #ClimateTranslation #climatetrends #climatebasics #ClimateForBeginners #ClimateScienceMadeSimple

"They can make the data up and say anything."

Can they? In Episode 3 of the Let's Climunicate solo series, Dr. Alberto Troccoli pulls back the curtain on the invisible infrastructure of climate science, the instruments, networks, adjustments, and quality controls that turn millions of raw observations into the global temperature records we see in headlines.

This isn't about blind trust. It's about understanding the measurement.

Time Stamps

00:00 - 01:10 Introduction: The Invisible Infrastructure

01:10 - 03:00 The Measurement Challenge: From Your City to the Open Ocean

03:00 - 04:55 Rule 1: Instruments Change, But the Anomaly Persists

04:55 - 07:10 Rule 2: Coverage Is Uneven, But the Signal Is Detectable

07:10 - 09:15 Rule 3: Models Reconstruct, But Observations Anchor

09:15 - 11:45 Case Study: How the 2025 Global Temperature Record Was Actually Built

11:45 - 13:30 CO₂ at 420 ppm: A Level No Human Has Ever Experienced

13:30 - 15:00 Conclusion: Trust the Method, Not Just the Number

We dive deep into:

👉🏻 The "bucket effect": why 19th-century sailors systematically measured the ocean too cold — and how scientists corrected for it

👉🏻 Berkeley Earth: when physicist Richard Muller, skeptical of the temperature record, reanalyzed everything from scratch and found the exact same warming trend

👉🏻 Why you don't need a thermometer on every street to detect a planetary fever (spatial coherence and statistical interpolation)

👉🏻 Satellites don't measure temperature directly — they measure radiance. Here's why that translation matters

👉🏻 CO₂ now exceeds 420 ppm: a level not seen in at least 800,000 years, and likely several million — meaning no Homo sapiens has ever breathed this atmosphere

👉🏻 How January 2025 data releases integrated thousands of surface stations, ship buoys, weather balloons, and satellite constellations — then weighted, corrected, and compared them against the 1850–1900 baseline

👉🏻 Why NASA, NOAA, CRU, Copernicus, and Berkeley Earth all agree on the big picture despite using different methods, coverage, and assumptions

If you've ever looked at a temperature graph and wondered, "How do they know?" you're asking the right question. The answer is not blind faith. It's a centuries-long collective effort full of gaps, compromises, and ingenious solutions.

This is Episode 3 of the solo series.

🎙️ Host: Alberto Troccoli | Let's Communicate

🌍 Stay connected with Let's Climunicate! Follow us on:

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💼 LinkedIn: https://www.linkedin.com/in/alberto-troccoli-09a11038

📅 Episode recorded on 29/04/2026

#climatedata #ClimateMeasurement #berkeleyearth #co2 #climatescience #globalwarming #ClimateCommunication #DataLiteracy #letsclimunicate #climatetrends #satellitedata #icecores #sciencecommunication #weathervsclimate #anomaliesexplained #climaterecords #TemperatureReconstruction #paleoclimate #podcast

In Part 2 of our conversation with Professor Lisa Schipper, we confront the harder question: what happens when climate adaptation itself creates new problems? From flooded villages "protected" by seawalls to crop insurance that destroys social networks, Lisa exposes how well-meaning projects can backfire, and why the politics of labeling, funding, and local ownership determine whether a project helps or harms.

Time Stamps

02:30 - What Is Maladaptation? Beyond "Good vs. Bad"

06:15 - The Fiji Seawall: When Protection Creates Flooding

08:00 - Irrigation & Insurance: Shifting Risk, Eroding Resilience

10:00 - Who Decides What's "Maladaptive"? The Power to Label

13:30 - The Politics of Maladaptation: Why Global South Governments Fear the Word

15:00 - The Reporting Gap: Why We Don't Know How Much Maladaptation Exists

18:20 - Explaining Adaptation to a 20-Year-Old

We dive deep into:

👉🏻 Why maladaptation isn't just "failed adaptation" it's adaptation that actively increases vulnerability

👉🏻 The Fiji seawall: how a coastal "protection" project ended up flooding the community it was meant to save

👉🏻 Irrigation and crop insurance: when technical fixes erode social networks and simply shift risk downstream

👉🏻 Who has the right to call something "maladaptive"? Why academics sitting at computers may be unfair to communities with limited options

👉🏻 The politics of the label: why Global South governments fear "maladaptation" will become an excuse to cut funding

👉🏻 Why mitigation is still the "most important adaptation" and why limits are coming fast regardless of investment

Lisa turns the lens inward on the adaptation industry itself. She forces us to ask: are we solving problems, or just moving them around? Essential viewing for anyone designing projects, funding them, or living with their consequences.

This is Part Two of our conversation. Watch Part 1 here: https://youtu.be/IhCI2nIDkTg

🎙️ Host: Alberto Troccoli | Let's Climunicate

🌍 Stay connected with Let's Climunicate! Follow us on:

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💼 LinkedIn: https://www.linkedin.com/in/alberto-troccoli-09a11038

📅 Episode recorded on - 17/04/2026

#climatechange #climateadaptation #maladaptation #climatescience #climatepolicy #climatejustice #ipcc #LisaSchipper #climateplanning #localknowledge #climatefinance #coproduction #climatevulnerability #adaptationlimits #letsclimunicate #ClimateRealism #podcast #viralvideo

Is climate adaptation just "planning with a climate sticker"? Or does it reveal the uncomfortable truth about who gets left behind?

In this episode, Professor Lisa Schipper : one of the leading voices challenging how we think about climate adaptation, dismantles the buzzwords and exposes why vulnerability, power, and justice are inseparable from the climate conversation.

Time Stamps

01:10 – Introduction & How Lisa Got Into Climate Adaptation

03:22 – What Is Climate Adaptation? (And How Is It Different From Regular Planning?)

06:44 – Mainstreaming: The Double-Edged Sword

10:04 – Adaptation in Practice: From Drip Irrigation to Forced Relocation

13:30 – How Do We Know If Adaptation Has Actually Happened?

16:08 – Quick-Fire Questions: Temperature, Tipping Points & Social Collapse

19:50 – Adaptation vs. Civilizational Change: Mesopotamia, Migration & Fewer Options

25:12 – The Vulnerability Trap: Why Technology Won't Save Everyone

29:30 – Coastal Adaptation: Sea Walls, Power Grabs & The Infrastructure Trap

We dive deep into:

👉🏻 Why adaptation is the "forgotten sibling" of climate policy — and why it matters more than ever

👉🏻 The mainstreaming paradox: does integrating climate into planning make it invisible?

👉🏻 Real-world adaptation: drip irrigation in drylands vs. watching your house fall into the sea

👉🏻 Why social tipping points may hit before physical ones — and why that terrifies her

👉🏻 The uncomfortable reality: adaptation has limits, and we're not honest about who gets sacrificed

👉🏻 How coastal "protection" narratives get weaponized to seize land from the poor

Lisa Schipper doesn't do false optimism. She challenges the technocratic fantasy that we can engineer our way out and insists we confront poverty, power, and injustice head-on. Whether you're a policymaker, practitioner, or concerned citizen, this is essential listening for anyone who wants to understand what adaptation actually looks like on the ground.

This is Part One of our conversation.

🎙️ Host: Alberto Troccoli | Let's Communicate

🌍 Stay connected with Let's Climunicate! Follow us on:

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🌐 Web: https://www.albertotroccoli.org/podcast/

💼 LinkedIn: https://www.linkedin.com/in/alberto-troccoli-09a11038

📅 Episode recorded on 17/04/2026

#climatechange #climateadaptation #climatescience #climatepolicy #climateresilience #climatejustice #vulnerability #ipcc #LisaSchipper #climateplanning #coastaladaptation #climatemigration #mainstreaming #adaptationlimits #letsclimunicate #ClimateRealism #podcast #letsclimunicate

In Episode 2 of Let's Climunicate, Dr. Alberto Troccoli unpacks "The First Misunderstanding": the confusion between weather (what you feel right now) and climate (the statistical personality of the atmosphere over 30 years). Using the real case of the December 2025 North American blizzard which hit during one of the warmest global Decembers on record we explore why extreme cold snaps aren't proof against warming, but symptoms of a more energetic climate system.

📍 Timestamps:

00:00 - Introduction: The First Misunderstanding

01:00 - The Winter Memory Test (Do you remember last frost?)

02:15 - The February 2026 Blizzard Scenario

03:10 - Why "So Much For Global Warming" Is a Design Problem

04:05 - Temporal Rule #1: Weather Is Mood, Climate Is Personality

05:15 - Temporal Rule #2: Your Memory Is Not The Baseline

06:20 - Temporal Rule #3: Extremes Are Symptoms, Not Contradictions

07:25 - Case Study: December 2025 (The Blizzard vs. The Data)

09:10 - Conclusion: Seeing the Timelapse Beneath the Photograph

10:00 - Outro & Next Episode Teaser

You'll learn:

• Why weather is "mood" and climate is "personality"

• Why your childhood memory of colder winters is both true and climatologically useless

• Why the 1.5°C warming baseline refers to 1850, not your birth year

• How to spot the difference between local weather noise and global climate signal

If you've ever felt foolish for confusing a cold Tuesday with climate change, or watched a conversation stall because someone pointed to snow as "proof" against warming, this episode is the translation you need.

🎙️ Host: Alberto Troccoli | Let's Communicate

🎙 Let's Climunicate is bringing you a 10-part solo series about climate, weather, and society. No shouting, no pretending it's simple.

🎙 New to the series? Start with Episode 1: https://youtu.be/8h995dSq5JI

📍 Next episode: How Do We Actually Measure Climate Change?

🌍 Stay connected with Let’s Climunicate! Follow us on:

📺 YouTube: ⁠https://www.youtube.com/@letsclimunicate/podcasts⁠

🎧 Spotify: https://open.spotify.com/show/3IbDXNLpP5lhQloPwpRQ59

🍏 Apple Podcast: ⁠https://podcasts.apple.com/us/podcast/lets-climunicate/id1773398361⁠

🌐 Web: ⁠https://www.albertotroccoli.org/podcast/⁠

💼 LinkedIn: ⁠https://www.linkedin.com/in/alberto-troccoli-09a11038⁠

#ClimateData #ScienceCommunication #ClimateLiteracy #ClimateChange #ClimateScience #GlobalWarming #ScienceCommunication #ClimatePodcast #ClimateCommunicator #ClearClimate #WeatherAndClimate #STEMeducation #podcast

We are drowning in climate data but starving for meaning. If you've ever felt confused not unconvinced, just confused by headlines about "hottest years on record" or "1.5 degrees of warming," this episode is for you.

📍 Timestamps:

00:00 - Introduction: The Communication Problem

01:33 - Why Data Doesn't Equal Understanding

02:36 - What Are Climate Data Really? (The Three Languages)

03:00 - Instrumental Records (The Last 150 Years)

03:37 - Paleoclimate Data (Nature's Deep Memory)

04:01 - Climate Models (Mathematical Laboratories)

04:30 - Translation Rule #1: Anomalies, Not Absolutes

05:06 - Translation Rule #2: Trend Is Not Weather

05:40 - Translation Rule #3: Scale Matters

06:24 - Case Study: The "Hottest Year" Headline Confusion (2023-2025)

09:20 - The Design Problem & Conclusion

In Episode 1 of Let's Climunicate, host Alberto Troccoli breaks down why climate communication fails at the design level, not the intelligence level. We explore the three distinct languages of climate science (instrumental records, paleoclimate data, and models) and share three essential translation rules to help you read the headlines without the overwhelm:

1. Think in anomalies, not absolutes

2. Trend is not weather

3. Scale matters

Using the real-world example of the 2023-2025 global temperature data releases, we examine how media framing turns scientific signals into confusing horse-race rankings and how to spot the difference.

🎙️ Host: Alberto Troccoli | Let's Communicate

🎙 Let's Climunicate is bringing you a 10-part solo series about climate, weather, and society. No shouting, no pretending it's simple.

🔗 Resources mentioned:

AP News report : https://apnews.com/article/hot-year-climate-change-fossil-fuels-record-bff13bcc51d1a5daab62ff7036879dfe

🌍 Stay connected with Let’s Climunicate! Follow us on:

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🍏 Apple Podcast: ⁠https://podcasts.apple.com/us/podcast/lets-climunicate/id1773398361⁠

🌐 Web: ⁠https://www.albertotroccoli.org/podcast/⁠

💼 LinkedIn: ⁠https://www.linkedin.com/in/alberto-troccoli-09a11038⁠

#ClimateData #ScienceCommunication #ClimateLiteracy #ClimateChange #ClimateScience #GlobalWarming #ScienceCommunication #ClimatePodcast #ClimateCommunicator #ClearClimate #WeatherAndClimate #STEMeducation #podcast

Professor Richard Tol returns for Part 2 and final part of our conversation on climate economics. We dive into the methodology behind climate damage estimates, why he quietly withdrew from an IPCC report, and what he'd change about how science informs policy.

📍 Timestamps:

00:00 - Meta-Analysis: What It Is & Why It Matters

02:22 - Why Models Differ: Expert Surveys vs. Hard Data

05:01 - The Harvard Study: 30% GDP Drop?

07:11 - The 2% Myth: Central Estimates vs. Real Risk

10:48 - Systemic Risks: Uninsurable Housing & Financial Crisis

14:38 - Sea Level Rise, Gulf Stream & Permafrost: Overhyped?

19:35 - When Climate Policy Costs More Than Climate Change

22:20 - Developing Countries: Growth vs. Emissions Trade-Off

26:15 - Why Tol Left the IPCC Summary for Policymakers

30:45 - Is the IPCC Obsolete?

36:20 - Career Bureaucrats vs. Independent Science

38:20 - Advice for Young Researchers

39:35 - Reasons for Optimism: Incidental Climate Policy

⚡ What We Cover:

✅ Meta-analysis explained: How Tol reconciles hundreds of studies on climate impacts and why results vary wildly

✅ The 2% GDP myth: Why central estimates hide 10-20% losses for the most vulnerable, and "negative surprises" of +7%

✅ Model failures: Harvard's 30% GDP drop claim, and why assuming "no adaptation" produces absurd results

✅ When policy costs more than climate change: The UK carbon levy that reduced emissions zero while taxing billions

✅ Developing countries: Why the "grow first, clean later" trade-off no longer exists (mostly)

✅ The IPCC problem: Why Tol stepped back from a summary for policymakers, and why he thinks the process is "obsolete"

✅ Reasons for optimism: How incidental policies not UN treaties drove solar, wind, and battery breakthroughs

Richard Tol doesn't hold back on institutional failures, from diplomatic interference in science to career bureaucrats protecting broken processes. Whether you see him as a necessary corrective or a controversial outlier, this is essential context for understanding how climate knowledge gets made and distorted.

🎧 Part 1: https://youtu.be/zDjyJHmG1sc

🎙️ Host: Alberto Troccoli | Let's Communicate

🌍 Stay connected with Let’s Climunicate! Follow us on:

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🍏 Apple Podcast: ⁠https://podcasts.apple.com/us/podcast/lets-climunicate/id1773398361⁠

🌐 Web: ⁠https://www.albertotroccoli.org/podcast/⁠

💼 LinkedIn: ⁠https://www.linkedin.com/in/alberto-troccoli-09a11038⁠

📅 Episode recorded on 12 Feb 2026

#climatechange #climatescience #climatepolicy #ipcc #RichardTol #climateadaptation #climatedebate #climatescience #economicmodeling #climaterisk #williamnordhaus #ClimateNiche #heatwave2003 #climatecontroversy #letsclimunicate #climaterealism #ClimateEconomics #metaanalysis #SocialCostOfCarbon

Is climate change really going to cost us $60 trillion per year by 2100? Or are we dramatically overestimating the economic damages?

In this explosive episode, Professor Richard Tol — IPCC contributor, former advisor to William Nordhaus (Nobel Prize winner), and one of the most controversial voices in climate economics challenges the foundations of how we calculate climate risk.

Time Stamps

00:32- 00:44 Introduction

00:44 - 02:04 How Richard Tol Got Into Climate Economics

02:04 - 03:41 Quick-Fire Questions

03:41 - 08:22 The Big Misunderstanding: Nordhaus vs. Schelling

08:22 - 10:01 Transition to Climate Niche Paper

10:01 - 14:51 The Climate Niche Debate

14:51 - 19:39 Death Valley, Microclimates & Adaptation

19:39 - 25:01 The 2003 Heatwave: System Failure, Not Climate

25:01 - 27:00 Air Conditioning & Cold Banks

We dive deep into:

🔥 Why he believes most climate economic models get society wrong (the "Nordhaus vs Schelling" framework debate)

🔥 His shocking finding that humans are actually clustering in the hottest climates not fleeing them

🔥 The real lessons from the 2003 European heatwave (hint: it wasn't just the heat)

🔥 Why adaptation may be far more powerful than models suggest and where the real limits lie

🔥 The "climate niche" paper that challenged climate alarmism

Richard Tol doesn't shy away from controversy. He's been criticized by the Grantham Institute for "misinformation" , yet his meta-analysis work continues to shape the debate. Whether you agree with him or not, this is essential listening for anyone who wants to understand the economic assumptions behind trillion-dollar climate policies.

This is Part One of our conversation.

🎙️ Host: Alberto Shockley | Let's Communicate

🌍 Stay connected with Let’s Climunicate! Follow us on:

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🌐 Web: ⁠https://www.albertotroccoli.org/podcast/⁠

💼 LinkedIn: ⁠https://www.linkedin.com/in/alberto-troccoli-09a11038⁠

📅 Episode recorded on 12 Feb 2026

#climatechange #climatescience #climatepolicy #ipcc #RichardTol #climateadaptation #climatedebate #climatescience #EconomicModeling #climaterisk #WilliamNordhaus #ClimateNiche #Heatwave2003 #ClimateControversy #letsclimunicate #ClimateRealism

MIT Professor Kerry Emanuel, One of the world's leading hurricane scientists makes a stunning case for nuclear energy that will challenge everything you think you know about climate solutions.

In this unfiltered conversation, Emanuel reveals:

→ Why hurricanes are getting stronger (but not more frequent)

→ The single biggest misconception about climate damage

→ Why Germany's renewable experiment failed and Denmark's "100% renewable" claim is misleading

→ The hard truth about energy poverty and why "conservation" isn't enough

→ Why overregulation killed nuclear in the West and how to fix it

This is not a typical climate interview. Emanuel brings decades of atmospheric science expertise to the energy debate, delivering uncomfortable truths about risk, real estate, and why diversity of energy sources matters more than ideological purity.

From the physics of cyclones to the economics of grid stability, this episode bridges cutting-edge climate science with practical energy policy.

🌍 Stay connected with Let’s Climunicate! Follow us on:

📺 YouTube: ⁠https://www.youtube.com/@letsclimunicate/podcasts⁠

🎧 Spotify: https://open.spotify.com/show/3IbDXNLpP5lhQloPwpRQ59

🍏 Apple Podcast: ⁠https://podcasts.apple.com/us/podcast/lets-climunicate/id1773398361⁠

🌐 Web: ⁠https://www.albertotroccoli.org/podcast/⁠

💼 LinkedIn: ⁠https://www.linkedin.com/in/alberto-troccoli-09a11038⁠

📅 Episode recorded on 06 Feb 2026

#climatechange #nuclearenergy #hurricane #MIT #energypolicy #climatescience #renewableenergy #nuclearpower #climatesolutions #atmosphericscience #energytransition #climaterisk #cleanenergy #nuclear #climatedebate #sciencecommunication #energycrisis #climateaction #gridstability #podcast

🌍 In this episode of Let’s Climunicate, host Dr. Alberto Troccoli sits down with Prof. John Quiggin (University of Queensland), one of Australia’s leading economists, to unpack the economic risks of climate change.

They explore:

✅ How global warming translates into economic risks — from species extinction to natural disasters

✅ The feasibility and costs of reaching net zero by 2050

✅ The role of renewable energy, carbon pricing, and policy design

✅ Practical steps individuals can take to contribute to climate action

With his deep background in agriculture and resource economics, Prof. Quiggin offers valuable perspectives at the intersection of climate science, economics, and policy.

Whether you’re curious about environmental science, energy policy, or sustainable economics, this candid conversation provides clear insights into one of the world’s most urgent challenges.

🎧 Join us to better understand the risks — and the solutions — to building a sustainable future.

00:00 Introduction to Climate Change and Carbon Emissions

00:25 Meet the Guest: Professor John Quiggin

00:47 Economic Risks of Climate Change

02:13 Quick Fire Questions on Climate Change

07:36 Translating Climate Hazards into Economic Impacts

08:52 Feasibility and Costs of Achieving Net Zero by 2050

12:54 Global and Policy Perspectives on Carbon Tax

20:05 Technological Advances and Market Forces in Renewable Energy

25:08 Australia's Renewable Energy Landscape

29:00 Individual Actions Against Climate Change

32:31 Conclusion and Final Thoughts

🌍 Stay connected with Let’s Climunicate! Follow us on:

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🍏 Apple Podcast: ⁠https://podcasts.apple.com/us/podcast/lets-climunicate/id1773398361⁠

🌐 Web: ⁠https://www.albertotroccoli.org/podcast/⁠

💼 LinkedIn: ⁠https://www.linkedin.com/in/alberto-troccoli-09a11038⁠

📅 Episode recorded on 24 July 2025

#LetsClimunicate #ClimateEconomics #JohnQuiggin #NetZero #RenewableEnergy