Latest Paul J. Crutzen Stories
The evils of global warming and ozone depletion are competing problems, at least in Antarctica, the results of two new studies suggest. Schemes to pump sulfur into the atmosphere to counteract global warming might help cool the Earth, but they could also cause problems at the poles, scientists warned today.
A proposed method of injecting sulfate particles into the stratosphere in order to fight the effects of global warming, would have a drastic impact on Earth's protective ozone layer, researchers said in a new study.
NOBEL Prize-winning chemist Professor Sir Harry Kroto is to return his honorary degree to Exeter University in protest at plans to close the institution's chemistry department.
- A small wooded valley; a dell.
- The protecting weather-shed built around the entrance to a house.