Carbon Emissions

New Cement Absorbs More CO2 Than Production Emits

guardian.co.uk | Alok Jha, Green Technology Correspondent | Posted 01.02.2009 | Green


Standard cement, also known as Portland cement, is made by heating limestone or clay to around 1,500C. The processing of the ingredients releases 0.8 ...

A Clear Policy Signal for Renewable Energy

Jigar Shah and Willett Kempton | Posted 12.16.2008 | Green


Jigar Shah and Willett Kempton

To create jobs, U.S. development policies must change. It's not enough to install wind turbines and solar panels. We also need to manufacture them here.

Message from Poznan: Time for Mass Mobilization to Stop Global Warming Emissions

Betsy Taylor | Posted 12.15.2008 | Green


Betsy Taylor

It's going to take a lot more than the... chaotic process I watched in Poznan over the past two weeks for us to cut global warming emissions as deeply and quickly as scientists say is necessary.

Kiss of Death for Carbon Capture?

Graham Hill | Posted 12.12.2008 | Green


Graham Hill

Carbon capture. The Norwegians love it, as does every utility bent on building coal-fired generation. It's like a free "Get out of Jail" card, and probably the biggest bunch of hot air ever.

Taking on the Pessimists in Poznan

Betsy Taylor | Posted 12.11.2008 | Green


Betsy Taylor

Obama is not the Messiah and he cannot be expected to work miracles. But the new president doesn't need us predicting environmental policy failure when he hasn't yet taken office.

Putting America on a Carbon Diet

Gillian Caldwell | Posted 12.07.2008 | World


Gillian Caldwell

We need to start a carbon diet, and not let the US reach for that donut. Delaying serious short-term cuts in carbon emissions is like saying we will start our diet next January. Why not this January?

Proposed Cow "Gas" Tax Angers Farmers

AP | BOB JOHNSON | Posted 12.05.2008 | Green


MONTGOMERY, Ala. — For farmers, this stinks: Belching and gaseous cows and hogs could start costing them money if the federal government decides...

Google Phone Green App Tackles Carbon Footprints

Green Inc. | Joe Hutsko | Posted 11.26.2008 | Green


While downloadable applications for the iPhone have enjoyed most of the spotlight since they began shipping, momentum is building for apps that run on...

At Last, It Begins: Real, Substantive Debate on 2009 Climate Legislation

Dan Rosenblum | Posted 11.25.2008 | Green


Dan Rosenblum

If introducing a new tax on carbon seems like a quixotic political battle in a time of historic economic and fiscal crisis, then you're out of touch. The crisis has in fact given it a big boost.

Harvard Project Proposes Rich Nations Cut CO2 First

Reuters | Michael Szabo | Posted 11.24.2008 | Green


Rich nations should make the first cuts in greenhouse gases while developing countries carry on business as usual for the time being, according to a p...

Dear NASCAR: Get a Clue!

Patricia Martin | Posted 11.21.2008 | Chicago


Patricia Martin

It's time for NASCAR to pull a U-turn. Leadership needs to get on board the green express and point NASCAR in the direction of sustainable, renewable auto sports.

EPA Blocks Coal Plant, Could Change Power Landscape

Huffington Post | Posted 11.14.2008 | Green


The EPA just struck a major blow to coal power plants trying to rush construction before an Obama administration has the chance to pass new regulation...

The Moving Finger Writes; and, Having Writ, Moves On -- Victory!

Carl Pope | Posted 11.13.2008 | Politics


Carl Pope

The EAB just ruled that the EPA had no valid reason for refusing to limit carbon dioxide emissions from new coal-fired power plants. This may signal the beginning of a clean energy future.

Breaking: Landmark EPA Ruling Kills 30+ Planned Coal Plants

Kevin Grandia | Posted 11.13.2008 | Green


Kevin Grandia

A decision by the Environmental Protection Agency today has ruled that all new and proposed coal-fired power plants must have their carbon dioxide emissions regulated. Wow.

Is It Fair To Measure Carbon Effects Of Biofuels?

Wall Street Journal | STEPHEN POWER | Posted 11.12.2008 | Green


For example, if farmers in Brazil burn and clear more rainforest to grow food because farmers in the U.S. are using their land to grow grain for fuel,...

Root Cellars Return: 3 Possible Permutations

Huffington Post | Johanna Smith | Posted 11.06.2008 | Green


Dropping temperatures and incumbent frost pose quite the challenge to would-be locavores. Even the most dedicated farmers' market enthusiasts find the...

Will President Obama Lead on Climate Change?

Gillian Caldwell | Posted 11.05.2008 | Green


Gillian Caldwell

Now that the heat of the campaign season is behind us, we hope Obama will stop pretending that "clean coal" is a realistic way to reduce carbon emissions and achieve energy independence.

Daylight Savings

Michael DeJong | Posted 11.04.2008 | Green


Michael DeJong

One of the added benefits that hadn't been considered at its inception is that Daylight Savings is also connected to energy-efficiency.

The Eco-Sins of John McCain

Jeanie Pyun | Posted 10.29.2008 | Green


Jeanie Pyun

Senator John McCain and his wealthy wife have a footprint many times larger than the average American, and the largest among the presidential and vice-presidential candidates by far.

Creating the Next American Economy

Michael Northrop | Posted 10.26.2008 | Business


Michael Northrop

Imagine if we put in place a concerted effort to build transit in this country. We could return 10-15 percent of household income to peoples' pockets.

The Eco-Sins (and Virtues) of Barack Obama

Jeanie Pyun | Posted 10.16.2008 | Green


Jeanie Pyun

Senator Barack Obama's environmental platform is pretty clear. He supports clean coal, would create five million green-collar jobs if elected President, and would put a million plug-in hybrids on the road by 2015.

There's No Such Thing as Clean Coal

Michael Brune | Posted 10.16.2008 | Green


Michael Brune

There is no such thing as clean coal. Rather than perpetuate our country's dependence on dirty energy, we can rejuvenate our economy with a transition to truly clean and renewable energy resources.

Sarah Palin Enviro Hit List & Plastic Trees -- ZapRoot VIDEO >>

George Spyros | Posted 10.14.2008 | Green


George Spyros

Arizona tests artificial CO2 filtering trees. Sarah Palin loves oil. Find ways to get rid of your junk mail. • ZapRoot gives a breakdown of the ...

Emissions "Must be cut" by 80% by 2050 says British Climate Change Committee VIDEO>>

George Spyros | Posted 10.13.2008 | Green


George Spyros

With dramatic video of melting arctic ice crashing into the ocean, including *insert metaphor* the fjord in Greenland that is believed to have produ...

The Eco-Sins and Virtues of Joe Biden

Jeanie Pyun | Posted 10.09.2008 | Green


Jeanie Pyun

The Scranton-born son of a car salesman, Joe Biden has often made reference to his "average Joe" means. Indeed, his three bedroom, two bathroom, single family, Colonial residence -- under 1,800+ square feet and on a little over four acres -- is typical of the area.