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Geo-engineering might be possible – but so far it doesn’t look practical. Yet another study sees dangers in the technofix.

Paying for forests conserves a vital world resource. But somebody must pay the locals a tangible share of the intangible global gains.

A group of physical chokepoints - roads, ports and waterways - could disrupt the flow of world food trade, with drastic consequences.

As the seas rise, US cities can expect varied flood risks: some will have more of the worst floods, others more frequent familiar inundations.

Once seen as too remote to harm, the deep sea is facing new pressures from mining, pollution, overfishing and more.

New study shows that oil production can result in methane emissions up to twice as high as estimated by ‘simplistic’ data collection systems.

Saltwater intrusion exacerbated by climate change is hitting rice production in vulnerable delta regions and threatens to cause food shortages.

Short-lived greenhouse gases will continue to affect the oceans for centuries however much the world achieves by carbon cuts. We are going to live with this for a very long time.