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.
Fact Brief - Is Antarctica gaining land ice?
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[image: FactBrief]Skeptical Science is partnering with Gigafact to produce
fact briefs — bite-sized fact checks of trending claims. This fact brief
was w...
3 hours ago
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