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That pattern has also been attributed to global warming, though the jury is still out. I would like it very much is this type of article, or at least this one in specific, were updated with the latest numbers. In this new age of Trumpism, we need the best ammo available, please. I like that you devide and explain each indicator clearly.
Every evidences are really make sense follow your claim, but I just wondering how can it happen because the weather is become really hot nowadays and seems going to be hotter and hotter? Also ice ages are become smaller than what it was. How can the result be the opposite with the indicators? Is it because of there areb still many factors going on? Political, off-topic or ad hominem comments will be deleted. Comments Policy You need to be logged in to post a comment.
Login via the left margin or if you're new, register here. Link to this page. The Consensus Project Website. Settings Use the controls in the far right panel to increase or decrease the number of terms automatically displayed or to completely turn that feature off.
Term Lookup Term:. There are tens of thousands of well-educated, mainstream scientists who do not agree that global warming is occurring at all and people who share their opinion are taking a position grounded in science. Some people have even predicted that all of the Arctic ice would melt by now because of global warming.
How much Arctic ice really matters is an open question since the very limited evidence we have suggests that a few decades ago, there was less ice than there is today , but the same people who thought the drop in ice was noteworthy should at least agree that the increase is important as well.
Essentially, scientists make assumptions about how much of an impact different factors will have; they guess how much of a change there will be and then they project changes over time. Unfortunately, almost all of these models showing huge temperature gains have turned out to be wrong. There's an old saying in programming that goes, "Garbage in, garbage out. If the climate models that show a dire impact because of global warming aren't reliable -- and they're not -- then the long term projections they make are meaningless.
For example, Al Gore predicted all the Arctic ice would be gone by In , the Independent ran an article saying that the Artic had entered a death spiral. If the climate models and the predictions about global warming aren't even close to being correct, wouldn't it be more scientific to reject hasty action based on faulty data so that we can further study the issue and find out what's really going on?
Table of Contents. Humans cause climate change. How do we know? Climate science Climate science Climate science encompasses a range of disciplines, from oceanography and meteorology, to chemistry, physics, biology and computer science. This graph documents carbon dioxide levels since roughly , years ago. Starting around the s, there's a dramatic upward spike that's attributed to the Industrial Revolution. Rising carbon dioxide levels.
Rising carbon dioxide levels Carbon dioxide CO 2 is the heat-trapping gas in our atmosphere responsible for most of the warming measured over the past several decades.
Unprecedented warming. Unprecedented warming As the concentration of CO 2 and other heat-trapping gases in the atmosphere rises, the Earth warms up.
Fossil fuel fingerprinting. Fossil fuel fingerprinting We know that CO 2 warms the world, that CO 2 concentrations are at record-breaking levels, and that global temperatures are rising.
The scientific consensus. The scientific consensus Within the scientific community, there is essentially no disagreement on the causes of climate change. Various natural forces can influence the climate—but when we sum those influences up, they can't account for the recent rapid rise in temperatures. When we add human activity, the curves match near-perfectly. Natural factors. Natural factors We know that warming and cooling have happened in the past , long before humans were around.
The science provides differing amounts of evidence linking different forms of extreme weather to climate change. Extreme weather. Are humans contributing to more extreme weather?
We are the cause, and we are the solution Knowing that human activities are the main driver of global warming helps us understand how and why our climate is changing, and it clearly defines the problem as one that is within our power to address.
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