A major theme in Milk, the Sean Penn movie which opens in the UK today, is that you can't have political activism without a message of hope.
That's a tough call for climate-change campaigners when James Lovelock is available for interview. He tells this week's New Scientist that rising temperatures will place a huge pressure on food resources and the human population this century will probably shrink to one billion or less.
What is ‘nature’? Dictionaries urged to include humans in definition
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Defining nature as separate from people perpetuates troubled relationship
with the natural world, say campaigners
It was last year, during a conference ...
44 minutes ago
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