How the Marshall Islands would be affected by just three feet of sea level rise. The effects on several places are graphically displayed in this post. That amount of sea level rise is expected well before the end of this century.
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Coral reefs are also victims of sea level rise—when the rise happens too quickly. Most reefs need to maintain an ideal depth, but may not be able to grow fast enough to keep up with the rising waters.
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Why toxic algae blooms in the US are more common and keep getting worse. The class of organisms that create the blooms are always present. They thrive at times when the waters get warmer. From an environmental engineering professor, “It’s absolutely certain in my mind that warming temperatures are going to end up causing more of these algal blooms.” Also, more intensive rainstorms wash more nutrients from agricultural land into the streams that feed the affected lakes and ponds—and reservoirs too.
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A survey of new research about the rising impact of climate change and other threats to biodiversity. Tim Radford reviews a number of new research reports that emphasize the need for protected habitat for wildlife. There is general agreement that “the current target of protecting 17% of terrestrial systems will never be enough to protect species as well as provide the benefits humanity needs.” Some are even saying 50% is not enough.
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What happens when insects die off? Here are some of the details described by a British biologist who thinks almost all insects are doing something that is beneficial to humans in one way or another. “It may be the case that one or two insect species go extinct and it wouldn’t have any noticeable effect on anything. The concern is that if we if we lose more and more of them, ecosystems will slowly unravel…..Without them, we would live in a sterile, dull world where we eke out a boring existence of eating bread and porridge…..If it weren’t for insects, cow pats and dead bodies would build up in the landscape…..It can’t be more than 10 years away, and probably less would be my guess.” (In CL#1195 we heard from another British biologist who had a similar message.)
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One of Earth’s curiosities that is of special interest to scientists. You may enjoy reading about it and viewing the set of pictures found in a link.
Carl