Polar bears and other ice-dependent species could survive if we act now to limit and manage human activity in the Arctic.

It's time to put an end to crazy laws that mean millions of Americans use energy-hungry tumble dryers rather than a clothes line, says Alexander Lee.

A burgeoning blizzard of space debris is going to have a major impact on the future economics of space flight.

The war over genetically modified foods is entering a new phase. At last, the GM industry has produced what it promised at the outset: a product designed to have real benefits for consumers. It's an oil from soybean modified to produce omega-3 fatty acids essential for health and proven to reduce the risk of heart disease. It can be added unobtrusively to ordinary food products, potentially bringing health benefits to millions. (Editorial)

It's time to wise up to the ecological pawprint of your furry friend

Heard what Einstein said about humans having four years to live if the bees died out? Well he didn't and we won't, say Marcelo Aizen and Lawrence Harder.

If you really want to make a sacrifice to sustainability, consider ditching your pet

No law governs the ownership of lunar territory. Will we see the same scramble for territory that carved up Antarctica, asks William Cullerne Brown.

Lobbying has led to Congress considering tariffs on developing nations, which could be a deal-breaker at December's climate change talks in Copenhagen.

As the Copenhagen conference on climate change draws closer, a new analysis shows that the pledges made by rich nations will not be enough to avert a dangerous rise in temperatures.