Last year, there was the temperature spiral. This year, it’s the temperature circle that’s making the trend of global warming crystal clear. Scientific American is the world’s premier magazine of scientific discovery and The principal driver of recent climate change is greenhouse gas emissions from. News reports about climate change often focus on how the average global .. Letter in opposition (PDF kb) from 37 of the 50 U.S. senators, including.

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State of the Science: The Intergovernmental Panel on Climate Change IPCC has just completed its fourth assessment of the science of climate change, its impacts and possible solutions.

A Century of Global Warming, in Just 35 Seconds

I will never know what I might have seen as a diver in the middle of a dense kelp forest, but I have always understood that kelp was generally a good thing. Sign up for our email newsletter. Millions of years from now, the geologic record of the “Anthropocene” will be littered with plastics, yes, but also chicken bones. A clean energy think tank has proposed ways to make industry and shipping cleaner with existing technologies.

An art contest was recently completed in concert with the 13th annual Endangered Species Day, which was this past Friday. Commercial operators who take visitors on whale-watching cruises in the Salish Sea have vowed to follow new, more restrictive guidelines to reduce noise and disturbance around the endangered Southern Resident Killer Whales. The long-term goal of the Paris accord was to maintain warming well below 2 C.

Raw water, by definition, is left untreated and reported to contain living organisms that provide health benefits. Cotton swabs, plastic cutlery, plates, drinking cups and straws are among the items that would be banned outright, because non-plastic alternatives are available. For contrast, the United States under President Obama pledged to cut emissions 80 percent below levels by — a promise that the Trump administration has said it will cancel.


Special Report: Climate Change – Scientific American

Climate Week — we must not only zero out CO 2 emissions bybut also rapidly limit superpollutants like HFCs and methane, and even undertake atmospheric carbon removal,” said Bledsoe, a former Clinton White House climate adviser.

The proposal announced this week goes waarming beyond those items, however, calling for a percent reduction in plastic drink-bottle waste, possibly through a deposit system. Art that provokes emotions can complement climate science. Twitter links powered by Tweet This v1. I cannot conceive of globzl ecological loss of a single kelp bed, let alone the dozens of kelp forests that have vanished from Puget Sound.

The report also found a 50 percent chance that temperatures earming rise to 4 C under a business-as-usual scenario, a less extreme but still highly dangerous level.

The goal of the contest is to encourage public appreciation for imperiled wildlife and to increase support for saving endangered species. Knowing that kelp continues to disappear leaves me with a nagging feeling of despair. For the first time, the commercial guidelines include time limits for watching any group of whales. Jean Chemnick Recent Articles U. Paul Bledsoe, a co-author of the policy report, described the findings as “pretty disturbing.

Climate Change Impacts [Interactive map]. Pine needles can easily be broken down into sugars, as well as the building blocks of paint, adhesives and medicines. Sign up for our email newsletter.

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Warming temperatures may be causing tundra ponds to evaporate or drain into thawing permafrost. The goal is to reduce fishery removals of 25 to 35 percent, but scian have yet to be released.

More about that in a moment. The stories I heard about divers becoming entangled are real, but they may have been overblown. The Arctic climate is shattering record after record, altering weather worldwide. The new whale-watch guidelines are based largely on recent research into much how much noise reaches killer whales when multiple boats are in the vicinity, said Jeff Friedman, president of the PWWA.


How can we cope with global warming and the challenges it poses? This special report explores the latest findings on the impact of human activity on Earth’s climate—from the melting of Arctic ice to the potential spread of disease. Environment Programme chief Achim Steiner and Mexican chemist Mario Molina, who won the Nobel Prize for his role in discovering the threat that chlorofluorocarbon gases pose to the Earth’s ozone layer. The researchers say that countries must also tackle short-lived climate scam like hydrofluorocarbons that accelerate warming greatly in the near term, and take globxl of the carbon that is currently in wsrming atmosphere out.

The uptick follows several years of relatively flat emissions, underscoring the urgency of climate action. Peter has published more than research papers in scientific journals.

The Window Is Closing to Avoid Dangerous Global Warming – Scientific American

A new bridge over the Carpenter Creek Estuary near Kingston helps to restore the upper salt marsh. Straws are listed as a problem plastic. While contract issues remain in dispute, the environmental benefits are clear, according to Joleen Palmer of the nearby Stillwaters Environmental Center. Contractors are putting the final touches on two new gloabl in Kitsap County, both of which are expected to improve the local environment. That low-probability but very extreme scenario could expose most of the world’s people to deadly heat stress, with 2.