The Water Information Program

Australia's government has promised to spend about $2.9 billion to buy river water from farmers in a bid to address the country's worst drought in a century. The spending is the most

The world is eating more than it produces and food prices may climb for years because of expansion of farming for fuel and climate change, risking social unrest, an expert and a new report said on

Global warming is one of the most significant threats facing humankind, researchers warned, as they unveiled a study showing how climate changes in the past led to famine, wars and population decli