Author Archive

Why the rains failed – and why they may return

Guardian: Traditionally the Sahel – a semi-arid strip of land, south of the Sahara Desert – is one of Africa’s most productive crop regions. But during the 1980s this region, which stretches from the Atlantic to the Red Sea, became better known for drought and famine. Thankfully the region has become wetter again, and now new research indicates that the return of the rains is most likely a beneficial side-effect of global warming. Rainfall statistics show that between the 1950s and 1980s summer rainfall...

Weatherwatch: Winters in northern hemisphere set to get colder

Guardian: As global temperatures rise, a new study indicates that winters in the northern hemisphere are set to get colder and snowier. Data from the last two decades suggests that this colder trend is already under way. Indeed the chilly winters of 2009/2010 and 2010/2011 caused many to question whether global warming was happening at all. Ironically, it turns out that these harsh winters may be a consequence of global warming. Careful analysis of northern hemisphere temperature, humidity, snow cover and...