Last year, the Intergovernmental Panel on Climate Change (IPCC) was awarded the Nobel Peace Prize along with Albert Gore Jr., sending a strong message about the importance of the world's future climate. Indeed, for two decades, international scientists and policy-makers contributing to the IPCC process have provided assessments of climate change science, impacts and mitigation, addressing one of the most far-reaching and complex challenges that society has ever faced. Yet this is no time for IPCC to rest on its laurels.

We find that the European Union's proposed directive on carbon-capture 'readiness', as reported in your News story 'Europe to capture carbon', is unacceptable (Nature 451, 232; 2008).

Meteorologist and biosphere scientist Carlos Nobre of Brazil's National Institute for Space Research in S

It represents half of the world's rainforest and is home to one-third of Earth's species, yet the Amazon has one of the highest rates of deforestation : a report.

With the right infrastructure, the forces threatening to destroy the world's trees could be their salvation. (Editorial) March 13, 2008