Climate change is continuing

Multiple lines of evidence show that global warming continues and that human activities are mainly responsible.

The fundamental physical and chemical processes leading to climate change are well understood. CSIRO and Bureau of Meteorology observations provide further evidence that climate change is real. The scientific understanding and the observations show that global trends in temperatures and sea level rise since the mid-20th century have been caused predominantly by human activities.

Natural climate variability also affected global-mean temperature and sea level during the past century, but much less than increasing greenhouse gases.

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