Rutgers University Environmental Sciences Professor Alan Robock talked about this week's eruptions from Indonesia's Mt. Agung and if they are big enough to impact climate.

Global greenhouse gas emissions have been stable for the past 3 years. That's been a ray of hope for climate watchers. But a new report in the journal Nature Climate Change says GHG emissions will rise 2 percent this year. Tim Nixon is the Head of Sustainability Thought Leadership at Thomson Reuters here in the Twin Cities. He's one author of a recent report tracking the top 250 corporate greenhouse gas emitters. He spoke to MPR's chief meteorologist Paul Huttner.

MPR News' chief meteorologist Paul Huttner Minnesota author Shawn Otto, is husband of state auditor and gubernatorial candidate Rebecca Otto. He wrote "The War on Science"

That explosion of new solar and wind farms is fueling a renewable energy construction boom. Twin Cities based Mortenson Construction is a leader in renewable energy construction. MPR's chief meteorologist Paul Huttner asked Mortenson's Chief Operating Officer Tom Wacker how that all got started.

MPR News' chief meteorologist Paul Huttner with Minnesota wine gurunJohn Thull from the University of Minnesota Landscape Arboretum. John develops grape varieties and tends the grapes from start to finish as a researcher at the Horticultural Research Center in Chanhassen.

MPR News meteorologist Paul Huttner broke down why a warming climate would contribute to wildfires.

Portland State University urban planning professor Vivek Shandasnabout evaluating cities' "climate change geography."

San Francisco and Oakland, California are suing five major oil companies saying they are accountable for the effects of climate change. The cities are suing Chevron, ConocoPhillips, ExxonMobil, Royal Dutch Shell, and BP. MPR News' Paul Huttner spoke with two attorneys who are following the suit. Mehmet Konar-Steenberg teaches Energy and Environmental Law with Mitchell Hamline School of Law in the Twin Cities and Michael Berger is with Columbia Law School.

Climate and hurricane expert Kerry Emanuel discussed how climate change is increasing the physical limits of hurricane wind speeds and why we should stop calling climate-enhanced extreme storms "natural" disasters.

Journalist and author Michael Grunwald's book; "The Swamp: The Everglades, Florida, and the Politics of Paradise" looks at the history of south Florida's development, amid hurricane ravaged swampland. He wrote a piece in Politico this week entitled: "A Requiem for Florida, the Paradise That Should Never Have Been."