There is widespread evidence for “climate change” or “global warming”.
NASA says that sea level is THE yardstick of global warming. Rising seas indicate global warming.
Global air temperatures are rising.
CO2 Levels in the Air
They stayed between 180 and 300 parts per million for 600,000 years until, after 1950, they rocketted to above 400.
Temperature has moved with CO2 for 800,000 years.
The area of sea-ice in the Arctic is falling.
Ice in the Antarctic is melting.
Ice in Greenland is melting.
The oceans are becoming more acidic.