Confusion on Internet future after UN treaty split

The freewheeling, unregulated Internet seemed to survive a push for new rules at a UN treaty meeting, but the collapse of talks leaves unanswered questions about the Web's future.

Experts reveal major holes in international ozone treaty

A new paper, co-authored by a University of Sussex scientist, has revealed major holes in an international treaty designed to help repair the ozone layer, putting human health at risk and increasing the speed of climate change.

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