L.That’s exactly what this report deals with.In many cases，the uncertainty is a matter of magnitude，so the choices are not hard.“It doesn’t really matter if the car hits the wall at 70 or 80 kilometres an hour,”says Karoly.“You should still wear your seat belt.”So when it comes to sea.1evel rise or heatwaves，the uncertainty does not change what we need to do：build sea walls，use efficient cooling and so forth.

　　M.But in some cases——such as African rainfall，which could go up or down——the models are not giving us great advice.so all we know is that things will change.“We are not certain about the precise nature of regional change，but we are absolutely certain there are going to be profound changes in many regions，”says Pitman.Even then，there are things we can do that will always help.A big one is getting people out of poverty.The report says poverty makes other impacts worse and many suggested adaptations are about alleviating it.The IPCC suggests giving disadvantaged groups more of a voice，helping them move when they need to and strengthening social safety nets.

　　N.What’s more，all countries should diversify their economies，rather than relying on a few main sources of income that could flood or blow ovel Countries should also find ways to become less vulnerable to the current climate variability.That means improving the way they govem resources like water,the report says.

　　O.In short，we must become more resilient.That would be wise even if the climate was stable.Our current infrastructure often cannot deal with the current climate，says Karoly,pointing to events like the recent UK floods.“We don’t have a resilient system now,even in extremely well developed countries.”

　　46.Focusing on the clue of climate change instead of the severity of climate effects is scientifically more reasonable.

　　47.IPCC’s new report has removed some of the predictions that appeared in the former one released in2007.

　　48.One of the lessons both IPCC and history has taught us is that future never appears as you expect it to be.

　　49.The IPCC’s latest report has weakened many firmer projections written in the leaked drafts.

　　50.The first of IPCC’s three instalments has focused on the current climate conditions and the main reason for those conditions.

　　51.The most important thing for us to do is to get people rich.

　　52.Sometimes the uncertainty is just about the extent of climate effects，thus the choices.of what we should doisquite easy.

　　53.Countries must make their economies varied and improve the way of controlling the recourses in order to beRer deal with climate change.

　　54.The new IPCC report has replaced some more confident statements from the 2007 report with more careful expressions.

　　55.There are still many of firm statements about the climate effects in the new report，which are generally the same as they were in the draft chapters.

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