UN adopts 'historic' high seas treaty

The world's first international treaty to protect the high seas was adopted Monday at the United Nations, creating a landmark environmental accord designed to protect remote ecosystems vital to humanity.

Arctic could be ice-free a decade earlier than thought

The Arctic Ocean's ice cap will disappear in summer as soon as the 2030s and a decade earlier than thought, no matter how aggressively humanity draws down the carbon pollution that drives global warming, scientists said Tuesday.

New treaty plots conservation course for high seas

Protecting life in the vast expanse of ocean beyond national jurisdictions finally has an international roadmap after UN states agreed a landmark high seas treaty at the weekend.

Can clouds of moon dust combat climate change?

A group of US scientists this week proposed an unorthodox scheme to combat global warming: creating large clouds of moon dust in space to reflect sunlight and cool the Earth.

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