News stories: The Rim fire – Sequoias have survived fire for thousands of years, and need it for new trees to grow. After decades of fire suppression, will they survive a catastrophic event like this?
Planting three per cent of the Arabian Desert with drought tolerant Jatropha trees could absorb all the carbon dioxide produced by cars in Germany over two decades. Is that possible, or is this just hype by big industry?
Will Greenland become completely forested by 2100?
Water locust likes the rivers.