The oceans’ last chance: ‘It has taken years of negotiations to set this up’

Wildlife in most of the lawless high seas faces an existential threat from fishing, shipping and the military. Next month, a landmark UN conference could finally bring hope

Wildlife reserve for Antarctica would be world’s largest

Vast 1.8m sq km fishing-free zone would protect species, such as penguins, leopard seals and whales, and help mitigate the effects of climate change

Climate change: global reshuffle of wildlife will have huge impacts on humanity

Mass migration of species to cooler climes has profound implications for society, pushing disease-carrying insects, crop pests and crucial pollinators into new areas, says international team of scientists

Salmon farming in crisis: ‘We are seeing a chemical arms race in the seas’

Rare only 40 years ago, farmed salmon is now taken for granted in our kitchens. But the growth of the industry has come at great cost