SciDev.Net

Dryland farmers are growing novel crops for biofuel, but domestication and research into yields and pests is still needed, says William Dar.

Strong international policies are needed to stop the biofuel revolution threatening food security for the poor, says Siwa Msangi.

Biofuel production offers a lifeline to sugar-producing countries hit by the European Union's 2006 sugar reforms, argues Maureen Wilson.

Biofuels offer huge potential, but pose challenges best countered with strong and coherent development policies, says S. Arungu-Olende.

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

Brazilian president Luiz Inácio Lula da Silva, stands up for biofuels' role in sustainable development.

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.

Developing countries should copy Brazil's programme for producing sugarcane ethanol as a sustainable energy source, says José Goldemberg.

John P. Holdren says that North or South, achieving a sustainable standard of living means shifting to efficient alternatives.

The Clean Development Mechanism has not yet stimulated a significant low-carbon energy market in the developing world — crucial if it is to help limit climate change, says Michael Wara.

SciDev.Net readers respond to a recent editorial on whether developing nations should embrace nuclear energy.

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