Evidence against global warming

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Is Human Activity Primarily Responsible for Global Climate Change?

evidence against global warming

Busting Climate Change Myths - Answers With Joe

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The global warming controversy concerns the public debate over whether global warming is occurring, how much has occurred in modern times, what has caused it, what its effects will be, whether any action should be taken to curb it, and if so what that action should be. In the scientific literature , there is a strong consensus that global surface temperatures have increased in recent decades and that the trend is caused by human-induced emissions of greenhouse gases. The controversy is, by now, political rather than scientific: there is a scientific consensus that global warming is happening and is caused by human activity. Political and popular debate concerning the existence and cause of global warming includes the reasons for the increase seen in the instrumental temperature record , whether the warming trend exceeds normal climatic variations, and whether human activities have contributed significantly to it. Scientists have resolved these questions decisively in favour of the view that the current warming trend exists and is ongoing, that human activity is the cause, and that it is without precedent in at least years.

Holiday dinner conversations with the whole family can surface all kinds of myths and confusion. Sign up to receive our latest reporting on climate change, energy and environmental justice, sent directly to your inbox. Subscribe here. Despite the unmistakable evidence that climate change is happening and that the effects we're already experiencing are mostly caused by our own actions, it's not uncommon to meet deniers—even around your own family's holiday table. Some of the misinformation that creeps into the doubters' discussions are the lingering leftovers of years of deliberate peddling of misinformation , often by fossil fuel interests. Some of it persists because, face it, not everybody is well versed in the scientific consensus, which is based on multiple streams of evidence from dozens of specialized disciplines.

This graph, based on the comparison of atmospheric samples contained in ice cores and more recent direct measurements, provides evidence that atmospheric CO 2 has increased since the Industrial Revolution. Credit: Luthi, D. Petit et al. Find out more about ice cores external site. The Earth's climate has changed throughout history. Just in the last , years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7, years ago marking the beginning of the modern climate era — and of human civilization. The current warming trend is of particular significance because most of it is extremely likely greater than 95 percent probability to be the result of human activity since the mid th century and proceeding at a rate that is unprecedented over decades to millennia.

Climate change is a myth. We all know this, deep down. Take changes in sea level. You believe that rubbish and you probably believe we landed on Ganymede! And where does this rise in sea level supposedly come from — melting glacial ice?

Skip to content. Skip to navigation. The Basics of Climate Science. Separating Fact from Fantasy. Scientific Consensus on Global Warming.



31,000 scientists say "no convincing evidence".

Temperatures on earth have increased approximately 1. Over this time period, atmospheric levels of greenhouse gases such as carbon dioxide CO2 and methane CH4 have notably increased.

Global warming controversy

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Debunking Climate Change Myths: A Holiday Conversation Guide

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Examines the science and arguments of global warming skepticism. carbon prices, against a backdrop of continued increases in renewable generation.
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