>The news (at least to me) is that we're past the tipping points - it is irreversible now.
To say "it's irreversible now" is to imply there was ever a point that it wasn't, a point at which there was something we could have done to change trends at this scale. The links you gave don't really suggest this to be the case.
BTW, David Suzuki is a fearmonger with a long history of making ridiculous unscientific doomsday claims. For instance, he claimed that a second Fukushima disaster would force evacuation of the west coast of America:
To say "it's irreversible now" is to imply there was ever a point that it wasn't, a point at which there was something we could have done to change trends at this scale. The links you gave don't really suggest this to be the case.
BTW, David Suzuki is a fearmonger with a long history of making ridiculous unscientific doomsday claims. For instance, he claimed that a second Fukushima disaster would force evacuation of the west coast of America:
http://news.nationalpost.com/2014/01/20/david-suzuki-regrets...
So if you really want to claim the earth is likely to be "uninhabitable in only some decades" you probably want to use somebody else as a source.