Building on an existing pledge to slash deforestation rates in the Amazon, Brazil is considering a commitment to substantially
reduce cumulative greenhouse-gas emissions over the next decade.

An emissions trading scheme gives forests a market value on the basis of how much carbon they sequester. It could help to control global warming

Unsatisfied with merely halting environmental destruction, some conservationists are trying to reconstruct ecosystems of the past. Emma Marris travels back in time with the rewilders.

Europeans back efforts to amend the Montreal Protocol to address global warming.

It is generally accepted that declining carbon dioxide (CO2) levels were an important factor in the Eocene

Analyses of boron isotopes in ancient marine carbonate sediments provide an enlightening perspective on the links between carbon dioxide and ice-cap cover at a climatically momentous time in Earth's history.

Reaching an international climate agreement requires someone with exceptional skill, knowledge and diplomacy, says Kyoto chair Ra

Greater emissions cuts by developed nations are the starting point for a successful climate deal at Copenhagen in December says Jiahua Pan.

Rajendra K. Pachauri says that India wants to be a constructive partner in Copenhagen negotiations on climate change. The country is taking domestic action even though it cannot accept mandatory emissions limits.

If the next climate treaty tackles deforestation, tropical nations will need to monitor the biomass of their forests. One ecologist has worked out a way to do that from the sky, finds Jeff Tollefson.