A decline in stratospheric water vapor between 2000 and 2009 followed an apparent increase between 1980 and 2000, a team of scientists has found. That finding may have implications for global warming.
The Kingdom of Saudi Arabia's long-held ambitions for civil nuclear power have hit the headlines again, partly due to the Trump administration's support. If the kingdom is to succeed, it first has to accept its international obligations, including IAEA monitoring.