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Cold Weather In A Warming Climate

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The climate is warming.  The average global temperature is going up year after year, bringing about significant changes to weather around the world.  But the fact is that these changes don’t always lead to warmer weather.  And ordinary variations in local weather can also go in either direction.

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Climate Change And Temperature Variations

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It’s no surprise that not everyone on the planet is equally responsible for the effects of climate change.  For instance, the Northern Hemisphere, which is home to 13 of the 15 largest countries by GDP, emits far more greenhouse gases than the Southern Hemisphere does.  But the whole planet heats up as a result. 

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Rising Seas On The East Coast

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Global sea levels are rising by about a tenth of an inch per year, but in some places, the rise is faster… much faster.  From 2011 to 2015, sea levels rose up to 5 inches – an inch per year – in some locales along the Eastern Seaboard.  Places like Norfolk, Virginia and Miami are experiencing so-called sunny day flooding, something that had not been expected for decades according to climate projections.  So, what is going on?

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Extreme Weather Increasing

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It sure seems like extreme weather is increasingly common:  floods, droughts, extreme rainfall, powerful snowstorms, hurricanes and so on.  But we tend to focus on recent events and often give them undue emphasis.  So, it is reasonable to ask whether extreme weather really is more common these days.

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Lots Of Credit For Carbon Capture

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These days, the federal government has mostly turned its back on efforts to mitigate climate change or, for that matter, to even recognize its existence.  However,the budget bill passed in February contained a major increase in the tax credit known as 45Q, which provides incentives to businesses to develop and utilize carbon capture, utilization and storage technologies.

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Polar Bears Are Struggling To Find Food

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Climate change continues to pose a major threat to polar bear survival.  Polar bears, whose native range largely lies within the Arctic Circle, depend on sea ice for nearly all of their life cycle functions.  And rising global temperatures are causing that sea ice to disappear. 

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Natural Climate Solutions

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The Paris Climate Agreement embodies a commitment to hold the increase in the global average temperature to less than 2 Celsius degrees above preindustrial levels.  Most strategies to achieve this goal involve reductions in greenhouse gas emissions from human activities such as burning fossil fuels as well as various land use activities.  But there are also so-called Natural Climate Solutions, which relate to the storage of carbon and reduction in carbon emissions across global forests, wetlands, grasslands, and agricultural lands.

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Algae And The Greenland Ice Sheet

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The Greenland Ice Sheet is the second largest ice body in the world, after the Antarctic ice sheet.  It is about 1,500 miles long, nearly 900 miles across at its widest point, and averages more than a mile in thickness.  It has experienced record melting in recent years and is a source of great concern as the climate continues to warm. The Greenland Ice Sheet is losing an estimated 270 billion tons of ice each year.   If the entire sheet were to melt, global sea levels would rise by 24 feet which, of course, would be a world-wide catastrophe.

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Climate Change And Barley

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The impacts of increased carbon dioxide and the changing climate are often complicated and, it turns out, not always negative.  In some areas of the world, people can actually benefit from increased CO2 and climate change. Barley, the most important feed crop for beef production in Alberta, Canada, as well as the province’s beef industry itself actually stand to gain from the changes that are most assuredly not a good thing for much of the world.

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Disappearing Kelp Forests

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In recent decades, ocean temperatures in many places have warmed by nearly 3 degrees Fahrenheit.  An effect of this warmer water is the decimation of what were once luxuriant giant kelp forests in eastern Australia and Tasmania.  There used to be thick canopies covering much of the region’s coastal sea surface, but they have wilted in the intolerably warm and nutrient-poor water.

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Climate Change And Hawaii

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The Hawaiian Islands are an archipelago of eight major islands, several atolls, numerous smaller islets, and seamounts in the North Pacific Ocean.  The islands are a world-renowned vacation spot, known for their white-sand beaches, lush flora, and near perfect weather.  But stormier days may be ahead. 

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Carbon From The Alaskan Tundra

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The soils that encircle the northern reaches of the Arctic are a vast repository for carbon in the form of undecayed organic matter from dead vegetation.  The enormous amount of material trapped in the permafrost contains enough carbon to double the current amount of carbon dioxide in the Earth’s atmosphere.

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Tracking Climate Opinions

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Public opinion about global warming is an important influence on decision making about policies to combat global warming and to be prepared for its consequences.  An extensive polling effort by Yale University has produced an estimate of public opinions down to state, congressional district, and county levels.  

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Arguing Against Climate Change

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Most of the world has accepted the analysis of the overwhelming majority of climate scientists that shows that our planet is warming and that our actions are the primary cause.  However, some people – notably a number holding high office – reject this analysis.   What exactly does it imply to say that climate change is not happening or is not caused by us?

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Bleached And Dying

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Climate change is posing a major threat to the future of coral reefs.  According to a recent United Nations-backed study, if swift action is not taken to curb greenhouse gas emissions, annual coral bleaching events will affect nearly all of the world’s coral reefs.  And coral bleaching can result in serious coral mortality – as Australia’s Great Barrier Reef has recently illustrated.  

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