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Jerry Karnas and about 30 others gathered at the corner of NE 6th St. and Biscayne Blvd. protesting the Keystone XL oil pipeline as President Barack Obama rode through on his way to speak at PortMiami in Florida, on Friday, March 29, 2013. (Michelle Kanaar/Miami Herald/MCT)

Collective carbon emission has been slowly killing the habitability of our planet, but its death grip is about to tighten. There are carbon contracts that, if fulfilled, will raise the temperature of Earth by 2 degrees.

Think of Earth as a baby with a 102-degree temp about to go to 104. The science community considers this rise as the tipping point.

The media and our government are failing us. It's as if a known meteor was hurtling toward Earth and the public is kept in the dark.

NASA scientist James Hansen has been warning us for decades about the consequences, but his warnings have been censored, edited or ignored.

In his Ted talk, Hansen explains the current imbalance of carbon in our atmosphere and the resulting consequences of increases of both extremes of the water cycle -- more droughts; larger floods; stronger storms; rising sea levels; longer, more intense heat waves; and shrinking ice sheets that will accelerate the process and the number of catastrophes.

When droughts hit bread baskets the economic consequences as well as the environmental damages will destroy human quality of life, Democrats and Republicans alike.

We must stop dithering. We are all in this together. The science is clear. The catastrophes are here.


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The longer we wait, the more costly it will be to respond. We can use the American "can-do spirit" to turn from fossil fuels to renewable energy, but we must demand action by our elected officials now as the carbon bomb is ticking.

If we don't act and act soon, how will we answer to our children about the ruined planet we are handing them?

Join a rally at 5 p.m. Wednesday at 2870 Broadway in San Francisco to ask President Barack Obama to stop the Keystone XL pipeline. At a time when it is critical to slow carbon emission, it is unthinkable to approve a project that does the opposite.

The argument about the amount of extra pollution that dirty tar sands produce is absurdly beside the point. Grass-roots Canadians oppose the destruction of their boreal forests and certainly don't want a pipeline going across their country.

Go to www.350bayarea.org for more information about the rally. Do your part to show elected leaders we have the will to shake the carbon habit.

Eloise Hamann is a resident of Dublin.