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Blog Action Day for 350

Written By David D'Angelo on Saturday, October 17, 2009 | 10/17/2009

On October 24, 2009 350.org invites everyone to participate in uniting and taking action for our planet and for Climate Change. 350.org is an international campaign dedicated to building a movement to unite the world around solutions to the climate crisis--the solutions that science and justice demand. It's mission is to inspire the world to rise to the challenge of the climate crisis—to create a new sense of urgency and of possibility for our planet.



As part of this campaign I am inviting everyone and every Filipino to join the BLOG ACTION DAY FOR 350 and contribute through their blogs any article supporting the campaign and spread the message across the blogosphere, the internet and the planet. For those who will join just comment on this post with your blog post and url or e-mail phil_lenin@yahoo.com.

It's focus is on the number 350--as in parts per million, the level scientists have identified as the safe upper limit for CO2 in our atmosphere. But 350 is more than a number--it's a symbol of where we need to head as a planet.

"The Science of 350, the Most Important Number on the Planet"

350 parts per million is what many scientists, climate experts, and progressive national governments are now saying is the safe upper limit for CO2 in our atmosphere.

Accelerating arctic warming and other early climate impacts have led scientists to conclude that we are already above the safe zone at our current 390ppm, and that unless we are able to rapidly return to 350 ppm this century, we risk reaching tipping points and irreversible impacts such as the melting of the Greenland ice sheet and major methane releases from increased permafrost melt.

There are three numbers you need to really understand global warming, 275, 390, and 350.


Join me at www.350.org


For all of human history until about 200 years ago, our atmosphere contained 275 parts per million of carbon dioxide. Parts per million is simply a way of measuring the concentration of different gases, and means the ratio of the number of carbon dioxide molecules per million other molecules in the atmosphere. 275 ppm CO2 is a useful amount—without some CO2 and other greenhouse gases that trap heat in our atmosphere, our planet would be too cold for humans to inhabit.

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