Jennifer Morgan

A Tesoro Corp. refinery, including a gas flare flame that is part of normal plant operations, in Anacortes, Washington.

Are carbon offsets really as effective as advocates claim?

Climate Change

More than 170 major companies have pledged to become carbon neutral by 2050, with many counting on carbon offsets and carbon trading programs to help them reach that goal. But critics say offsets are not nearly enough to address the danger to the planet from continually rising greenhouse gas emissions.

Joe Biden inauguration

Biden brings US back to Paris climate accord. Now what?

UN Secretary-General Ban Ki-moon and Sultan Ahmed al-Jaber, climate change envoy of the United Arab Emirates, hold up signs that read, "I'm for Climate Action", in English and Arabic, at a joint press conference in Abu Dhabi.

There was no big agreement, but plenty of progress at the UN Climate Summit


China, U.S. to seek way to end production, use of climate change causing HFCs


Climate talks in Poland


Hope for UN Climate Talks

The 2012 U.N. Climate Change Conference- Nations from around the world will meet in Doha, Qatar for the 18th U.N. Climate Change Conference at the end of this month amid signs the EU will continue the Kyoto Protocol.

Durban Climate Conference

A Groundbreaking Deal at the Durban Climate Summit commits the US, China, and 192 other nations to the same legal regime to limit greenhouse gas emissions, starting in 2020. Details are to be negotiated by 2015.

The Economics of Climate Change

A new report suggests that unchecked climate change could trigger a global economic recession.

U.S. Still Behind in Climate Talks

The top climate expert at the World Resources Institute says the US is losing ground as a leader for climate negotiations and developing alternative technologies.

Mired in the Mud on the Road to Copenhagen

The Obama administration’s debut at the global economic summit ends with little progress made toward a global climate change treaty expected in Copenhagen this December.