SciDev.Net

Rich nations should set an example at Copenhagen by committing to emissions reductions of 40 per cent, says Chinese scientist Jiahua Pan.

We should heed researchers' findings that ceasing deforestation in the Amazon could boost its climate change resilience, says Andrew Mitchell.

Renewables like solar, wind and biomass could help India meet its growing energy needs and create millions of jobs, says Anil K. Rajvanshi.

China could make great use of wind power but they need to get their policies right, says an editorial in Nature.

The future is bright for clean technology investors in China, says venture capitalist Gary Rieshel.

Small island developing states should set an example by promoting a clean energy environment, says Tom Roper.

The common image of China as a big carbon polluter belies the clean energy miracle currently underway in the country, says Wu Changhua.

The UN has underestimated the technological challenges of stemming carbon emissions, say Roger Pielke Jr, Tom Wigley and Christopher Green.

The time is right for Europe to change its carbon trading rules, giving Africa access to the market, writes Louis V. Verchot.

The state, business and media are vital to tackling Africa's environmental challenges, says Rwandan president Paul Kagame.

The latest IPPC report offers an opportunity to put climate change policies into development agendas, say Gary Yohe and Rodel Lasco.

Climate policies that aim to reduce international trade and tourism go against current poverty reduction strategies, say Terence P. Dawson and Simon J. Allen.

Wallace S. Broecker says that to cap the build-up of greenhouse gases in the atmosphere, we need to brush up on our carbon dioxide arithmetic.

Some think India is unwilling to tackle climate change, but national measures are already making a real contribution, argues Preety M. Bhandari.

Ashok Parthasarathi argues that nuclear power must be central to India's energy policy and part of a broad mix that includes renewables.

Guilio Volpi argues that Brazil's policy of promoting biofuels risks increasing deforestation and greenhouse gas emissions.

Global warming is best tackled with a fragmented, 'non-global' approach tailored to individual countries, say David Victor, Joshua House and Sarah Joy.