Underwater video footage shows BP’s remote operating vehicle successfully closing off one of the three leaks that is gushing at least 5,000 barrels a day of oil into the Gulf of Mexico.

BP Group Chief Executive Tony Hayward says in this video he is proud of the response effort to the potentially catastrophic oil leak in the Gulf of Mexico.

Nature is full of inspiration for technologies that are both energy-efficient and eco-friendly. Professor Gunter Pauli explores 100 innovations and unique business models meant to inspire entrepreneurs to engage in a sustainable, socially responsible “Blue Economy”.

The online world is abuzz with anticipation of Wednesday’s launch of the power-plant-in-a-box, the Bloom Box, developed by 8-year-old Silicon Valley startup Bloom Energy.

The Canadian oil sands are under fire this week as U.S. retailers announce they will boycott fuel produced in the region. Will the black mark stick?

President Obama is preparing to pitch a big increase in government loan guarantees for new nuclear reactors. Is it enough to win over votes for a climate bill?

The future of the climate bill that needs support from the U.S. Senate is in the balance. Here’s what some supporters and opponents have to say about it.

Apple has very quietly applied for the patent for a solar-powered iPod.

Today’s question of the day: What role should carbon play in a new U.N. climate deal?

Today we pose the question to our virtual panel of experts, “How far can we trust the science of climate change?” Join the discussion.

Today’s expert panel discusses the question, “What can ordinary people do to slow climate change?” Join the discussion.

For the weekend, we ask the question: Is China doing its fair share to combat global warming?

Our question today deals with what technology shows the most promise in the struggle to stem damaging effects of climate change. Panelists David Suzuki, Gidon Eshel, Karen Alderman Harbert and Bjorn Lomborg lead the discussion.

Reuters environmental markets correspondent Gerard Wynn previews what to expect on Day Four of the United Nations Conference on Climate Change in Copenhagen.

The latest recipient of the Nobel Peace Prize has a lot of expectations to live up to. At climate talks in Copenhagen, we thought we’d turn the discussion toward what exactly we’re expecting from President Barack Obama when he joins the conference next week. Our panel of experts including David Suzuki, Gidon Eshel and Knut Alfsen lead today’s discussion.