When big systems flip into another state, that is trouble for species needing normal. Like us. We get the latest on global tipping points in 2023 from one of the world’s experts, Professor Tim Lenton from Exeter University. Then we explore earth energy  …

Lost in endless political hype, this planet is hotter. Expert Earth System Modeler Till Kulhbrodt says this may be a glimpse of a future three degrees above pre-industrial. Are we approaching tipping points, or are some already behind us? We revisit an interview  …

Amid human disasters, some hope evolution can save us. Maine Professor Tim Waring worries evolutionary design may stop humans from solving climate change. New science: a major meltdown in Antarctica can happen not in thousands of years, but less than 200. That leads  …

Renewables cannot power the world we know. Dr. Simon Michaux from the Geological Survey of Finland crunched the numbers: not enough time, and not enough metals. In this unique interview on Rachel Donald’s PlanetCritical broadcast, Michaux explains the limits – and what we  …

1.5 degrees C is already behind us.  Could 2 degrees of warming arrive by 2030? Despite pushback, Dr. Malcolm McCulloch makes the case from Perth, during Australia’s roasting, hottest-ever February.  But first, UK Professor Emeritus and psychoanalyst Paul Hoggett on climate, victimhood, and  …

Horrendous climate-driven storms are here. From Lawrence Berkeley National Laboratory, senior scientist Dr. Michael Wehner makes the case for Cat 6. Electricity from natural gas is more reliable than renewables, right? Wrong. Mark Specht from the Union of Concerned Scientists finds gas plant  …

Is your city ready for extreme heat, floods, and wind? No. It is time for “Radical Adaptation” with Professor Brian Stone, Director of the Urban Climate Lab at Georgia Tech. Can we still make cement, steel – the basics – without fossil fuels?  …

Cornell Professor Robert Howarth returns to Radio Ecoshock reporting the whole Liquefied Natural Gas process leaks so much methane it may be worse than coal for the climate. Oxford Professor Raymond Pierrehumbert tells us methane worries are overblown. Carbon dioxide is the real  …

The Amazon – lungs of the world – is in last-stage crisis. It is boiling in record smashing heat, drought, and fire. We visit the last stand with Rhett Butler, Founder and CEO of independent media hub Mongabay. Does it seem more stormy  …

Welcome to a wild ride into “Necrocapitalism” – cutting observations by Greek scientist and author George Tsakraklides. Then more worrying news about methane: frozen under the deep sea around every continent, methane can melt, migrate and release closer to shore. We talk through  …