Low gas prices are pumping up sales of SUVs and trucks. And since transportation accounts for almost a third of America’s greenhouse gasses, that’s bad news for the climate. But America is awash in big ideas for how to create a healthy economy and healthy communities. One idea is to put a price on carbon. Everyone from oil companies to environmentalists are talking about what might happen if consumers paid the real price for coal and gasoline. Some think it just might boost the economy while also trimming carbon pollution. Learn more about your ad choices. Visit megaphone.fm/adchoices

The amount of food needed to feed the earth’s growing population is expected to double by mid-century. How will we manage the world’s food supply? Karen Ross, California Secretary of Food and Agriculture; former Deputy US Secretary of Agriculture Jonathan Foley, Executive Director, California Academy of Sciences Helene York, Director, Google Global Accounts at Bon Appétit Management Company This program was recorded in front of a live audience at the Commonwealth Club of California on November 28, 2014. Learn more about your ad choices. Visit megaphone.fm/adchoices

Will the U.S. oil boom cripple OPEC? Could oil reach $100 a barrel again? What’s ahead for renewables? A conversation with the Oracle of Oil, Boone Pickens. T. Boone Pickens, Chairman and CEO, BP Capital Management This program was recorded in front of a live audience at the Commonwealth Club of California on March 24, 2015. Learn more about your ad choices. Visit megaphone.fm/adchoices

Do you believe in climate denial? According to climate scientists, it’s all around us. How can scientists learn to communicate to a skeptical public? Naomi Oreskes, Professor of the History of Science, Harvard; Co-Author, Merchants of Doubt: How a Handful of Scientists Obscured the Truth on Issues from Tobacco to Global Warming (Bloomsbury Press, 2011) Joe Romm, Founding Editor, Climate Progress; Author, Language Intelligence: Lessons on Persuasion from Jesus, Shakespeare, Lincoln, and Lady Gaga (CreateSpace, 2012) Eugenie Scott, Chair, National Center for Science Education This program was recorded in front of a live audience at the Commonwealth Club of California on December 16, 2014. Learn more about your ad choices. Visit megaphone.fm/adchoices

As supply grows and demand decreases, oil prices are dropping by the barrel. Are we truly in a “carbon bubble”? What can we do to protect our investments? Kurt Billick, Chief Investment Officer, Bocage Capital Anthony Hobley, CEO, Carbon Tracker Initiative Anne Simpson, Director of Global Governance, CalPERS This program was recorded in front of a live audience at the Commonwealth Club of California on March 12, 2015. Learn more about your ad choices. Visit megaphone.fm/adchoices

Unpredictable weather has always been the farmer’s Achilles heel. And the weather is getting wilder, stressing water supplies and changing where crops can grow. How do we address food security for a growing global population? One approach is getting back to basics. Protecting the soil, growing food for people – not for cows – and cutting down food waste. Simple solutions can create a big pay-back. Learn more about your ad choices. Visit megaphone.fm/adchoices

Many Silicon Valley companies have committed to going 100% renewable. What are Facebook, Ebay and Yahoo! doing to build a cleaner, greener digital world? Gary Cook, Senior Policy Analyst, Greenpeace International Lori Duvall, Global Director, Green, eBay Christina Page, Global Director, Energy and Sustainability Strategy, Yahoo! Bill Weihl, Sustainability Guru, Facebook This program was recorded in front of a live audience at the Commonwealth Club of California on March 3, 2015. Learn more about your ad choices. Visit megaphone.fm/adchoices

Climate disruption is changing weather around the world. Parts of America are seeing fierce droughts and then punishing storms and flooding. Scientists say the wets will get wetter and the dry periods will get drier. Water systems are stressed and farmers, city dwellers and fish are all affected. In response, new farming methods are being tried out. Creative conservation practices and new technologies are helping stretch each gallon. But the question remains: How much water will we have in the future? What will it cost? Learn more about your ad choices. Visit megaphone.fm/adchoices

From hurricanes and superstorms to drought, fire and floods -- what’s causing our country’s extreme weather events, and how can they be prevented? Louise Bedsworth, Deputy Director, California Governor's Office of Planning and Research Kathryn Sullivan, Administrator, National Oceanic and Atmospheric Administration Hunter Cutting, Director of Strategic Communications, Climate Nexus This program was recorded in front of a live audience at the Commonwealth Club of California on March 3, 2015. Learn more about your ad choices. Visit megaphone.fm/adchoices

Gas prices are plunging, and Americans can get back on the road again. What are the economic, geopolitical and environmental consequences of cheap oil? Jason Bordoff, Founding Director, Center on Global Energy Policy, Columbia University; Former Special Advisor to President Obama, National Security Council Staff Kate Gordon, Senior VP and Director, Energy & Climate Program, Next Generation Bill Reilly, Former Board Member, ConocoPhillips; Senior Advisor, TPG Capital This program was recorded in front of a live audience at the Commonwealth Club of California on February 27, 2015. Learn more about your ad choices. Visit megaphone.fm/adchoices