The world's food supply is in trouble. Climate change is messing with it big time. How much damage it will do is still up for debate. Some experts think farmers will adapt quickly and keep losses small. Others warn that changes will be hard to make and losses will be huge. It's a tough call.

A lot of studies use scenarios to guess how climate change will affect farming. They suggest that adaptation will have a big impact on how much food we can grow. But no one has really looked at how farmers around the world are adapting right now. That's a big gap in our knowledge.

A recent study tried to fill that gap. They looked at data from 12, 658 regions growing six main crops. These regions make up two-thirds of the world's crop calories. The findings? For every degree the global temperature rises, we lose about 5. 5 x 10^14 kilocalories of food each year. That's like losing 120 kilocalories per person per day. It might not sound like much, but it's about 4. 4% of what we should be eating. That's a lot of lost food.

Now, here's where it gets interesting. The study also looked at how adaptation and income growth might help. By 2050, they could cut losses by 23%. By the end of the century, that number goes up to 34%. But even with these gains, we're still looking at big losses, especially for crops other than rice.

Most people think the poor will suffer the most from climate change. But this study found something different. The biggest losses will happen in places that are currently good for farming. These are the places that haven't had to adapt much yet. But don't get too comfortable. Low-income regions will still face big losses too.

So, what does this all mean? It means we need to get creative. We need to innovate, expand our farmland, and adapt even more. If we don't, feeding the world in a changing climate is going to be a huge challenge.

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