What could disappear on hothouse earth

The serious concept of “Hothouse Earth”.
Global warming will have severe consequences for the planet.
Hot climates and towering seas in years to come if temperatures rise by just 2C.
Some of the planet’s natural forces – that currently protect us – become our enemies.
Here are some of the big changes which could happen with a 2C temperature rise – which is the globally accepted amount, according to the Paris climate agreement.

BBC lists some examples of what will change drastically:

Chocolate is under threat
The cacao bean plant is just one example of a globally important crop that grows in warm and humid climates,” she says.
But global warming doesn’t mean that there will be more places to grow cacao beans – in fact, it’s the opposite.
A rise in global temperatures causes weather systems to be unpredictable and inconsistent, which would put cacao growing at risk.

The Arctic could melt
Ice in the areas around the North Pole could melt completely
But it’s not just the animals living there which are under threat.The way that the whole Earth works changes.
“You’re changing ice that reflects heat back into space into dark seawater that absorbs incoming solar radiation.”
So, it’s a vicious circle – the less ice there is to reflect heat away from the Earth, the more global warming accelerates.

Entire nations might have to move
How can you be a country if you don’t have any land?
Melting ice means rising sea levels – which could put low-lying island nations, such as the Maldives, under the sea.
The people who live in these low-lying areas will have to go somewhere,
There are already lots of discussions with people in low-lying Pacific islands talking with Australia and New Zealand about where they can live, and how they can have nationhood while renting land from another country.

Unpredictable rain
Combine rising temperatures with other human activity such as deforestation, and you have drastic effects on the water cycle.
“When you change landscapes, you change where water can flow,” says Dr Cornell.
“When you warm the planet and are simultaneously changing the landscape, you’re changing the water cycle… in a much less predictable way than it was before.”
Extreme changes to the water cycle can lead to severe floods – and severe droughts.

How a tree frog affects a whole ecosystem
Two years ago, a little brown treefrog called Toughie died in Atlanta, USA, at the age of 12.
He was the last known living Rabbs’ fringe-limbed treefrog to exist.
Toughie’s story is a symbol of the rate of extinction that is being caused as a result of climate change.
The extinction of a species even as small as a frog has consequences which we don’t yet fully understand.
We could lose treefrogs, and that doesn’t sound important but it’s vitally important because it’s what we lose with it
When we’re killing species, we probably won’t know in advance what the consequences are.

The Gaia Movement has taken it’s name after the “Gaia Theory” formulated by the British scientist James Lovelock during the 1970”ies. James Lovelock has envisioned the scenario described above several decades ago.
Here are some examples of an interview with the British media a decade or so ago.(external link)

 

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