Earth

California a Model for the Low Carbon Transition

Len Rosen's picture

May 22, 2015 - California has a lot of negatives going on right now. It is in the middle of the worst drought the state has experienced since records were kept, watching its in-state and out-of-state water reserves dry up. It is over populated and yet still a draw for tens of thousands of illegal immigrant crossing from Mexico each year. And it is perennially in debt.

New Method for Cleaning Up Land-Based Oil Spills Shows Promise

Len Rosen's picture

May 22, 2015 - Researchers at Hebrew University of Jerusalem have developed a product that oxidizes soil polluted by oil and other contaminants.

Antarctic Peninsula Ice Shelf Being Undermined by Ocean Water

Len Rosen's picture

May 20, 2015 - An Antarctic ice shelf located on the continent's peninsula that juts northward towards South America is expected to collapse into the Southern Ocean possibly within the next few decades.

Is NASA Worth It? - You Bet

Len Rosen's picture

May 17, 2015 - If NASA were only about human space flight one could argue that this, to many on the planet, would seem an unnecessary expenditure considering the many challengies humanity faces. But NASA is far more than missions to the International Space Station, or a future voyage to Mars.

Canada Commits to Greenhouse Gas Reductions of 30% by 2030

Len Rosen's picture

May 16, 2015 - The commitment is finally made. Canada pledges to reduce GHG emissions by 30% below 2005 levels by 2030.

The Potential Consequences of Drilling in the Arctic for Oil

Len Rosen's picture

May 15, 2015 - The Arctic is icy and cold. The Arctic is in the dark for several months each year. See the picture below. This is the Arctic that President Obama has decided is a safe place to go looking for oil.

 

Have Our Cake and Eat it Too - Shell Gets Green Light to Drill in the Arctic

Len Rosen's picture

May 12, 2015 - Two stories appeared in today's morning newspaper, seemingly unrelated at first glance.

Doing What Plants Can Do - A Revolution About to Happen?

Len Rosen's picture

May 11, 2015 - Replicating photosynthesis has been a dream of scientists ever since humans identified chloroplasts and chlorophyll as the mechanisms by which plants convert carbon dioxide, water and sunlight into food and fuel. Many attempts have been made over the years to mimic what plants do effortlessly and I have faithfully tried to write about these efforts here.

400 PPM CO2 Milestone No Longer Limited to Readings on Mauna Loa

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Len Rosen's picture

May 8, 2015 - We put 32.3 billion metric tons of CO2 into the atmosphere in 2014. That's the same amount as 2013. In some quarters that represents progress, a plateauing on carbon emissions. But the impact of continuing to pump gas into the atmosphere means CO2 continues to increase. The number should fall as the Northern Hemisphere heads into summer and plants absorb some of the CO2.

Business as Usual in the Alberta Oil Patch May be Over

Len Rosen's picture

May 7, 2015 - The election of the New Democrats (NDP), a socialist-leaning party, to lead the province of Alberta may have significant ramifications for Canada in its fight to reduce its carbon emissions. Alberta's oil sands are the largest single emitter of greenhouse gases in the country.

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