Articles by Andrew Dessler

Climate change impacts on wineries: Could this be the last straw for some?

Many of those opposed to action on global warming might change their tune if they knew that it would actually affect their beverage of choice. That's right, global warming might change wine. For more info on this, check out this story from KQED Public Broadcasting in San Francisco.

They might be coming sooner than you think

From a NASA's Earth Observatory:

Hurricanes need two basic ingredients to develop: warm, moist air and a relatively calm atmosphere. Late summer over the Atlantic Ocean provides both things. Ocean waters above about 27 degrees Celsius (80 Fahrenheit) give rise to the warm, moist air that fuels tropical storms, and winds that could tear a storm apart are light during the summer. Typically, the Atlantic is primed for hurricanes by early August, and the height of the hurricane season comes in September, though the official hurricane season runs from June 1 through November 30.

They have a great figure showing that the Gulf of Mexico is now warm and hurricane-ready. Get ready. It might be an interesting August.

Game over

In an editorial in this week's Science Magazine, Donald Kennedy writes:

With respect to climate change, we have abruptly passed the tipping point in what until recently has been a tense political controversy. Why? Industry leaders, nongovernmental organizations, Al Gore, and public attention have all played a role. At the core, however, it's about the relentless progress of science. As data accumulate, denialists retreat to the safety of the Wall Street Journal op-ed page or seek social relaxation with old pals from the tobacco lobby from whom they first learned to "teach the controversy." Meanwhile, political judgments are in, and the game is over. Indeed, on this page last week, a member of Parliament described how the European Union and his British colleagues are moving toward setting hard targets for greenhouse gas reductions.

I particularly like the credit he gives to the "relentless progress of science." A while back, I blogged on what I considered to be the tipping point of the political debate (here).

Climate skeptics lose even more credibility

The first half of 2007 is the warmest Jan-June period on record, +0.79°C above the long-term average (from NASA GISS data, via QuarkSoup.net).

For those who question the consensus on climate change, see the collection of proconsensus statements at Logical Science (hat tip: Michael Tobis). Just recently, my department (the Dept. of Atmospheric Sciences at Texas A&M University) unanimously adopted a statement endorsing the primary conclusions of the IPCC reports. See the statement here.

In the scientific community, virtually no one believes that solar variations are the dominant driver of climate over the last few decades. However, among skeptics, this has been one of the last remaining shreds of hope for a non-human cause of climate change. New research, however, validates the doubt of the scientific community:

Writing in Proceedings of the Royal Society A, a journal of Britain's de-facto academy of sciences, the team said that the Sun had been less active since 1985, even though global temperatures have continued to rise.

"Over the past 20 years, all the trends in the Sun that could have had an influence on the Earth's climate have been in the opposite direction to that required to explain the observed rise in global mean temperatures," they write.