The levels of CO2 in the atmosphere is increasing and have done so for many years. Shouldn’t this have a positive impact on plants etc.?
Maybe not nature including humans, but plants should thrive, right?
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When people say the planet is doomed because of greenhouse gasses and such, they’re not saying that Earth will become a barren wasteland devoid of life.
Life will survive. It’s just that the *current* ecosystem will be destroyed, to be replaced with something new.
When greenhouse gasses warm up the atmosphere, they end up warming the oceans too. Air and water currents dictate a lot of the factors that goes into a region’s climate. When the air and water are warmed, that will change those currents and will end up changing the local climate all over the planet. The plants and animals that live in those areas will need to adapt to new conditions, or they’ll simply die off.
Other plants and animals will show up and adapt into that ecological niche, but that doesn’t change the fact that hot areas will become hotter, wet areas will become dryer, dry areas may become wetter… it’d be catastrophic for the life that currently lives here.
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