Reclaiming a derelict site to create a community garden

The story of how a group of dissatisfied residents pulled together, got funding, and created a blooming community garden where the work, and the rewards, are shared Not far from the 2012 Olympic Village in Stratford, another local regeneration project, albeit on a much smaller scale, has energised a small residential street.

Insecticide beats DDT in early trials

Malaria researchers in Benin say they may have found a replacement for DDT in areas where mosquitoes are resistant to common insecticides. Indoor residual spraying (IRS) of insecticides is a major part of malaria control. But worries over toxicity and environmental persistence have led to calls for DDT to be phased out, and mosquitoes are growing resistant to widely used pyrethroid insecticides. Alternatives are expensive and short-lived.

What’s stopping us getting solar power from deserts?

Plans to use concentrating solar power plants in the Sahara to generate and export electricity have been on the table for years. Now, it looks as though political will might help move things forward The logic of the idea would seem obvious to a child: the human race needs to wean itself off fossil fuels, so why don't we build solar power plants in the world's deserts, to give us all the energy we need?