New evidence links insect population collapse to dams

Insects are the most numerous group of animals on the planet. There are an estimated 5.5 million species, 80% of which remain to be discovered. Yet insects are experiencing steep, widespread declines across the world: a "death ...

We must fix food systems to tackle climate change

Food and climate change are often treated as separate issues, but conservative estimates suggest that changing the way we produce and consume food could reduce global greenhouse gas emissions by at least 10.3 billion tons ...

BlackBerry maker stock slips to new low

Shares in BlackBerry maker Research In Motion fell below $10, the lowest point in nearly eight years, amid growing concerns about the outlook for the troubled smartphone maker.

Water resources: Defusing conflict, promoting cooperation

Rivers are lifelines for many countries. They create valuable ecosystems, provide drinking water for people and raw water for agriculture and industry. In the Global South in particular, there is strong competition for access ...

COP27: How responsible are rich countries for global warming?

The United Nation's 27th annual climate summit, COP27, opened on Monday in Sharm el-Sheikh, Egypt. The event, which should pressure governments into ramping up their decarbonization pledges, will be the first to put the issue ...

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