How did Minnesota melt 12,000 years ago?

The link at the bottom of this post will take you to a phenomenal article from the NY Times on researchers observing the melting of Greenland’s ice cap. You owe it to yourself to view it on a full-size monitor instead of squinting at your phone. Scrolling down and back up the article is worth … Read more How did Minnesota melt 12,000 years ago?

Des Moines, Cedar Rapids, and the inevitability of future events arriving

We all were warned by the demographers 20 years back that the boomers would stress the social security, pension, housing, and medical systems. Now it’s here. Similarly, rising atmospheric CO2 levels were the subject of a report I did back in the mid-1980s at the Institute of Technology. And here we are. In the water … Read more Des Moines, Cedar Rapids, and the inevitability of future events arriving

Climate, water and food

A warming worldwide climate already has been predicted to significantly cut global production of corn, soybeans, wheat and rice by the end of this century. Now new research suggests food production could be further curtailed by water shortages that would end the irrigation of 50 million to 150 million acres. Read a ScienceDaily  article about the … Read more Climate, water and food

Huttner climate lecture is available on video

Did you miss Paul Huttner’s Oct. 1 presentation on climate change in Minnesota? If you missed it, or you want to refer a friend to it, view his talk on video produced and posted by the Lake Minnetonka Communications Commission. Hutter, chief meteorologist for Minnesota Public Radio, spoke at an event sponsored by the South … Read more Huttner climate lecture is available on video

Huttner talk set Oct. 1 on Minnesota's changing climate

It’s not our imagination. The nature of our seasons is changing. Spring blooms arrive earlier on average. Summer is more humid with a documented increase in extreme localized flash flood events – and more frequent droughts. Fall lingers longer. Lakes freeze up later. Winters are trending shorter and noticeably, measurably milder. New plants are able to thrive in Minnesota’s milder climate. … Read more Huttner talk set Oct. 1 on Minnesota's changing climate

Climate imperils fish

Climate change and warming lakes and rivers will produce major changes in freshwater fish populations and their ranges, a new report warns. Download the 34-page report, “Swimming Upstream: Freshwater Fish in a Warming World.” It was produced by the National Wildlife Federation. The report makes a series of recommendations, including minimizing other stress factors for … Read more Climate imperils fish

Read and comment on climate change forecast

A draft National Climate Assessment that predicts the impact of global warming in the U.S. by 2050 was released last week by a huge team of scientists. A Pioneer Press article on the assessment says it predicts that the frequency of heavy rainfalls will increase in Minnesota, “causing erosion and declining water quality and negatively … Read more Read and comment on climate change forecast

How hot was 2012? Hotter than any year in the record book

Last year – 2012 – was the hottest on record in the United States – a full degree Fahrenheit above the previous record, set in 1998. Read a New York Times article that documents a March heat wave and a drought in the Corn Belt that went along with the record warmth. The Times wrote: … Read more How hot was 2012? Hotter than any year in the record book

Arctic sea ice hits new low

The amount of sea ice in the Arctic has fallen to the lowest level on record, a confirmation of the drastic warming in the region and a likely harbinger of larger changes to come. Satellites tracking the extent of the sea ice found that it covered about 1.58 million square miles, or less than 30 … Read more Arctic sea ice hits new low

How hot was July? Hotter than in '36

July in the U.S. was the hottest month ever in records going back to 1895. And the 12-month period ending in July also was the warmest. Read a New York Times article on the records and the causes. According to scientists quoted by the Times, the drought afflicting most of the country reduced soil moisture, … Read more How hot was July? Hotter than in '36