Some things that people apparently don't know about climate change:
Climate change is normal. There has always been fluctuations in Earth's climate. Scientists aren't concerned that the climate is changing, they're worried about how fast it's changing
Greenhouse gases are normal. The greenhouse effect is natural and in fact predates human existence. Again, scientists aren't concerned that there are greenhouse gases, they're worried about the amount of them that are being produced.
The USA makes up less than 5% of the world's population, but contributes 16.7% of global CO2 emissions
Current models suggest that average global temp will increase by 1.5-2.0°C by 2100, and 0.5-7°C by 2300. That doesn't seem like much, but even lowballing those estimates will be substantially more than it has increased in the past 5 million years
Temp change is not equal in all places. Polar regions warm faster than tropical. Factors like wind and ocean currents affect whether temp will change or not. Some seasons will change more than others. Just because the temperature was lower than average one year doesn't mean that global warming isn't real.
It's called climate change for a reason, it's not all just warming. Take Texas this year for example, they had stupid low temperatures for that area, which is definitely abnormal, but doesn't point to evidence that global warming isn't real, it just means that the atmosphere is doing some weird shit because of things happening
Basically, despite the overall global temp increasing, some areas will also experience extreme temps in seasons, like one area will have extreme low temps in the winter and/or extreme high in the summer
The change in temp also affects the water cycle, which causes some areas to have much wetter soil and some to have much drier soil
The change in climate and other abiotic factors in ecosystems have been forcing rapid evolution of organisms in affected environments
But, if organisms can't evolve fast enough, then we're looking at another mass extinction, particularly arctic animals that are being affected most by the climate change causing loss of habitat and resources, and extremely sensitive organisms like almost all amphibians, like frogs and newts etc
The ocean absorbs ~1/3 of the global CO2 emissions per year. That's good right? No, because when dissolved in water, CO2 forms carbonic acid, which lowers the pH of the whole ocean, acidifying it, wreaking havoc on the ecosystem
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