evidence: But this denialism is now almost nonexistent among climate scientists, as a study released this month confirms. US researchers examined the peer-reviewed literature and found more than 99% of climate scientists now endorse the evidence for human-induced climate change. [...] Read more: Consensus confirmed: over 90% of climate scientists believe we're causing global warming [...] Current rates of global warming are unprecedented in more than 2,000 years and temperatures now exceed the warmest (multi-century) period in more than 100,000 years. Global average surface temperature for the decade from 2011-20 was about 1.1°C higher than in 1850-1900. Each of the past four decades has been warmer than any preceding decade since 1850, when reliable weather observations began.