The U.S. has debated for decades the issue of offshore drilling, with the backlash largely sparked in 1969 by a major spill off the coast of Santa Barbara. Journalist and science writer Eric Roston and Kenneth Medlock, fellow at the Baker Institute, provide insight.

Clean Skies Sunday reports on the new reality for Senate Democrats. With only 59 Democratic votes, Tyler Suiters breaks down the future of energy legislation, a bill regulating the controversial act of hydro-fracking, and a push to nullify the EPA endangerment finding on greenhouse gases. Energy analyst Kevin Book discusses the possible merger between Exxon-Mobil and XTO. It’s been one month since the end of the Copenhagen talks, and Ned Helme, President of the Center for Clean Air Policy discusses what’s been done since then.And it’s an electrifying ride at the North American International Auto Show – we’ll show you the newest, greenest cars about to hit the road.

Secretary of State Clinton tries to break the impasse at the Copenhagen climate summit by offering $100 billion a year for a decade to developing nations. Jeffrey Ball reports on how the offer was received in Copenhagen.

On the eve of the inauguration, attendees of the Green Inaugural Ball and the Arkansas Inaugural Gala in Washington, D.C. — including former President Bill Clinton — share their hopes for Barack Obama’s first 100 days in office.

UK startup Liberty Electric Cars is planning to put all-electric power trains into Range Rovers, creating the first zero-emission sport utility vehicles. CEO Barry Shrier explains why to MarketWatch’s Tom Bemis.

At the ECO:nomics summit, former Vice President Al Gore discusses his 10-year plan to end utilities’ use of carbon-based fuels.

Google CEO Eric Schmidt talks about Silicon Valley’s search for smart ways to rein in fossil-fuel use at the ECO:nomics conference.

General Electic CEO Jeffrey Immelt talks with WSJ’s Alan Murray about cap-and-trade on carbon emissions and how the U.S. already has a greenhouse gas policy — but nobody knows about it.

During an interview conducted by The Wall Street Journal’s Alan Murray at the ECO:nomics Conference, former Vice President Al Gore was challenged on his stance on carbon emissions by Bjorn Lomborg of Copenhagen Business School.

Greg Arnold, co-founder and managing partner of CE2 Capital Partners, talks to MarketWatch’s Steve Gelsi about pending environmental legislation and its potential economic impact.

United Nations, New York, 14 May 2009: The United Nations is leading a powerful new campaign to encourage governments to seal the deal on a fair, balanced and effective agreement on climate change