Scientists are calling for the urgent protection of ecologically valuable roadless areas, writes Tim Radford, as a new global map shows that roads lead to loss of biodiversity and damage to ecosystems by fragmenting habitat and providing access to exploiters.
… see those areas still beyond the reach of cars, trucks and tractors as vulnerable: … only 2.5bn people, and very few of them had cars. UN scientists predict a population of at …
Advanced new catalysts are poised to stimulate a clean energy revolution, writes Tim Radford. An organic replacement for the precious metal platinum would allow surplus electricity to be cheaply converted into hydrogen fuel, then burnt in low cost fuel cells to propel 'green' vehicles and generate power on demand.
… to the emissions from the exhausts of 200 cars - and sell it to greenhouses to fertilise …