Do scientists have proof that global warming is real?

Answer 1

Yes. The application of scientific knowledge has proven that global warming is real and has established that it is, amongst other factors, the result of human activities such as burning fossil fuels (coal, oil and natural gas).

Answer 2

Yes. Temperature readings taken from around the world since 1850 prove that the global average temperature has risen by around 0.75 degrees Celsius.

One of the earliest concerns that scientists addressed was whether the local environment of each instrument has changed over time, perhaps to give a false high reading. The 'urban effect' refers to rises in local average temperatures when a rural environment gradually becomes urbanised. A physics professor and longtime critic of government-led climate studies, Richard Muller, was one who believe global warming is exaggerated. He believed that an appropriate adjustment had not been made for the urban effect and that this and other errors could account for an apparent upward trend in global average temperatures. But Professor Muller unexpectedly told a congressional hearing the work of the three principal groups that have analysed the temperature trends underlying climate science is "excellent ... We see a global warming trend that is very similar to that previously reported by the other groups." Professor Muller acknowledged that previous studies accounted for the urban effect. "Did such poor station quality exaggerate the estimates of global warming?" he asked in his written testimony. "We've studied this issue, and our preliminary answer is no."

Climate science has passedthe most stringent scrutiny on the issue of global warming and the proofs have been verified.

Answer 3

Yes, the overwhelming consensus among scientists is that global warming is real and primarily caused by human activities such as burning fossil fuels. This consensus is supported by a large body of evidence, including rising global temperatures, melting polar ice caps, and increasing frequency of extreme weather events.

Answer 4

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