Tornados and Climate Change: Impossible (for now) to connect.
May 22, 2013 11:45 AM
Until an outbreak of tornadoes in the past week, this year had been a relatively quiet one for twisters in the Midwest and Plains states.
Wham! is right...wow.
Humans cross the 400ppm climate threshold.
May 11, 2013 1:39 AM
This should scare everyone who's been paying attention:
The level of the most important heat-trapping gas in the atmosphere, carbon dioxide, has passed a long-feared milestone, scientists reported Friday, reaching a concentration not seen on the earth for millions of years. Scientific instruments showed that the gas had reached an average daily level above 400 parts per million -- just an odometer moment in one sense, but also a sobering reminder that decades of efforts to bring human-produced emissions under control are faltering.
It's the first time in 3 million years we've had readings above 400ppm. But there's nothing to worry about, right?
"It symbolizes that so far we have failed miserably in tackling this problem," said Pieter P. Tans, who runs the monitoring program at the National Oceanic and Atmospheric Administration that reported the new reading.
We can probably kiss our chances goodbye of turning this Titanic ship that we're on in time to save the near-certain devastation coming our way. Has our time passed?
"If you're looking to stave off climate perturbations that I don't believe our culture is ready to adapt to, then significant reductions in CO2 emissions have to occur right away," said Mark Pagani, a Yale geochemist who studies climates of the past. "I feel like the time to do something was yesterday."
Considering that when (only back in August 2006) we posted about this issue, we were at 380ppm, in 15 years we'll surpass the 450ppm level.
We really have no idea what we've done, have we?
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