Santiago Maldonado was last seen as he was being forcibly dragged away by military police in Argentina on 1st August. Today marks the two-month anniversary of his disappearance. The police and the security minister, Patricia Bullrich, both deny that they have detained him. ATUS MARIQUEO-RUSSELL and CAROLE CONCHA BELL report
New Scientist Live at London's ExCel Centre is described by its organisers as 'a festival of ideas and discovery'. But the popular magazine has had a particularly bad idea already – the festival's sponsors, argues CLAIRE JAMES
Fiction for Friday: Through a fictional short story about the underwater inhabitant of a Canadian lake, JAMES MORRIS-KNIGHT explores the loss of tradition, crime and industry in North America.
The Queen Alexandra's Birdwing - or Ornithoptera alexandrae - is the world's largest and most spectacular butterfly. But it is under threat from encroaching agriculture and logging. BRENDAN MONTAGUE reports on a new initiative designed to save the beautiful insect from extinction
Religious values are often consistent with conservation efforts. So it’s not surprising that a variety of religious organisations and conservationists are working together to help mitigate the devastating effects of global climate change, writes CURTIS ABRAHAM
We live in a throwaway society. Innovation in the tech industries mean ever more powerful products come to market. But the death of repair shops and a culture of reliance is not simply the result of shiny new things. Corporations, and capitalism itself, requires planned obsolesce, argues STEVEN GORELICK
The modern era of shining iPhone screens, zero hour contracts, the threat of nuclear armageddon and continued global poverty can challenge your personal resilience. JACK ALEXANDER reports how the author Alan Heeks has turned to nature and to dreams to restore our strength and vitality
Britain will become 'world leaders in decarbonising our economy' claims John McDonnell at his speech to the Labour Party conference in Brighton today. And with Labour still ahead of the polls, his radical agenda for renewable energy could become government policy, reports BRENDAN MONTAGUE
David Attenborough is one of Britain's most trusted and loved voices in relation to ecology and the natural environment. Here DAMIAN KAHYA of the UNEARTHED team at Greenpeace interviews him at home about optimism, climate change and Blue Planet II
Elinor Ostrom was a pioneer in ecology, whose research challenged the fallacy of the 'tragedy of the commons' where the needs of one ruin what is shared by many. Here DEREK WALL celebrates the first - and only - woman to be awarded a Nobel Prize in Economics
Scotland's national tree, the Scots pine, is under threat despite surviving since the last Ice Age. Trees for Life has now launched a new campaign, reports BRENDAN MONTAGUE
Tomorrow is International Day Against Monoculture Tree Plantations. To mark the occasion OLIVER MUNNION reminds us of the importance of conserving and restoring natural forests
ReWild might not give you a deep awareness of a wilder world but it could much increase our appreciation of the world and the life around you, argues MARTIN SPRAY