NASA climate scientist Jim Hansen and colleagues weigh in on the missing heat issue.

In 2009 Kevin Trenberth, of the National Center for Atmospheric Research, raised the issue of missing heat in a paper (PDF) titled "An Imperative for Climate Change Planning: Tracking Earth's Global Energy."...

Steady as we go with energy but definitely not on our climate target.

Presidential Disconnect?

A little more than two years ago in Copenhagen President Obama committed the United States (in a non-binding pledge) to work with the international community to prevent...

Crossposted with TheGreenGrok.com.

There they go again, waxing non-scientific on science.

Breaking My New Year's Resolution and Opening up the Paper Again

Here it is only the end of January and I am breaking my New Year's resolution to ignore the Wall Street Journal. The paper's coverage of climate science in...

Does racing to the top include no opinion left behind when teaching climate science?

In his State of the Union speech this week, President Obama did not have a whole lot to say about climate change. But he did emphasize education, and specifically the need for education...

Crossposted with TheGreenGrok.com.

Are 2011's weather-related disasters part of a long-term trend?

Looking back, many will recall 2011 as a momentous year. It sure seemed to be a doozie when it came to disasters. Hurricane Irene. The Joplin tornado. Floods in Mississippi. Fukushima. And so on. But how unusual...

We must separate the substance from the rhetoric and symbolism.

TransCanada's proposed Keystone XL pipeline, which would bring tar sands oil from Canada to refineries in Oklahoma and Texas, has been a hugely divisive issue.

Environmentalists have vociferously opposed it, citing the extra greenhouse gas emissions from burning this...

Here comes the electric car?

2011 was the year of the electric car and a bit of a bust for the electric car. Last year saw the much touted rollout of two electric cars in the United States purportedly designed with the American consumer in mind:...

Crossposted with TheGreenGrok.com and National Geographic's Great Energy Challenge blog.

Highlights from a workshop on the environmental and social implications of fracking.

A group of the nation's leading experts on energy and the environment are at Duke this week attending a workshop to try to...

Is poetic license about vegetation OK in a political campaign?

The presidential campaign season is upon us and so we'd better be prepared for some political hyperbole and truth-bending. Many folks of the green political persuasion have no doubt been put off by the broad swipes...

Has the warming trend slowed in the 2000s? Yes and no.

The rate of global warming has been the subject of much skepticism among the refudiater set. A good deal of that skepticism has been directed at the claim that there's been little to no warming since the...

Can a few words in a draft proposal "set a new course for the global fight against climate change"?

A Persistent Point of Contention: "Common but Differentiated Responsibilities"

A single phrase in the Kyoto Protocol enshrined the principle that developed economies,...

Three scientists walk into a hearing room ...

Seriously. Yesterday I was on Capitol Hill talking about global warming with Richard Muller of the Berkeley Earth Surface Temperature (BEST) project and Ben Santer of the Lawrence Livermore National Lab. The Congressional briefing was organized by Congressmen Ed Markey...

Crossposted with TheGreenGrok.com.

It's Friday. High time for for the latest lowdown on political takes on the Environmental Protection Agency.

In recent weeks, I've discussed Obama's relationship with EPA. Now let's look at his opponents' side.

Wednesday night's Republican presidential debate will probably be known forevermore as Governor...

The spin on this one is enough to make your head spin.

On October 20 a group of scientists announced big news: The globe really has warmed and at a rate more or less consistent with what climate scientists have been saying all along.

For...

How gold would natural gas's golden age be? It may depend on the eye of the beholder.

A special report (see fact sheet [pdf]) from the International Energy Agency released in advance of the World Energy Outlook 2011, due out November 9th, examines how ramping up...

White roofs may not be so green.

Sometimes It Gets Complicated

Recently in these posts,...

Crossposted with the Great Energy Challenge blog from National Geographic and TheGreenGrok from the dean of Duke's Nicholas School.

When assessing green energy subsidies, a little history helps.

With Solyndra grabbing headlines (see here and here), "federal subsides" for green energy is...

Sure, advertising could be considered an art of grand hyperbole. But are new car ads the latest brushstrokes on this fanciful canvas or truthful commentary on how far down the road car companies have come using high tech to lower pollution?

New Diesel: From a Million Dead-End Streets to the...

Crossposted with The Green Grok

"No comment" is for sissies. Get your comments in now.

Seems everyone has something to say about something these days, on blogs, on Twitter, on Facebook. Even audience members at the recent Republican presidential debates have weighed in on certain issues with

Crossposted with The Green Grok

A tactical retreat or an abdication?

It's a scant 14 months to the 2012 elections. The economy's in the tank as are the president's poll numbers. (See here, here,