This evening David Attenborough looked at this world's future in the last of his 'Perfect Planet' series, looked at what humankind - all of us - have to start doing and doing damned quickly.
I fear even that quickly might not be quickly enough. Tree planting schemes are a beginning but there needs to be oh so many trees planted to make a significant difference and oh so many other schemes too.
Us oldies may be dead before the worst of the changes happen but the next generations will have to live with what we've done.
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