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The endangered giants that still lurk in the world’s biggest rivers

30 September 2020

The world's fresh waters used to teem with enormous fish. Their numbers are dwindling, but it is not too late to save the river monsters from extinction

Special report: The new megaprojects changing the face of our planet

29 August 2018

Across the world, new roads, railways, dams and power lines are encroaching on previously virgin territory – with untold consequences for Earth’s wildlife

Mussel pain: The crisis engulfing our freshwater molluscs

7 March 2018

Freshwater mussels are among the planet’s most endangered animals. Extreme conservation measures are the last hope for these unsung ecological heroes

Wildebeest no more: The death of Africa's great migrations

6 December 2017

Many of Africa's savannahs are emptying of wildlife as cattle fences kill its charismatic fauna. But we are finding ways to save them

Bustard or bust: The fractious battle to bring back a lost giant

29 November 2017

Great bustards are huge birds that once roamed the plains of Britain. David Waters’s long battle to bring them back has been stalked by controversy and upsets

The plan to reintroduce a big cat that might never have existed

13 September 2017

Ideas are afoot to return the clouded leopard to Taiwan, where it was declared extinct in 2013. Yet some say the big cat never lived there

Back to the wild: How nature is reclaiming farmland

9 August 2017

Farmland is shrinking for the first time on record thanks in part to consumer choices. What does this mean for the environment and the future of food?