这么重量级的题材，150字太少了！下面是205字，如果觉得太长，最后一段40字可以去掉。The topic of global warming is attracting the attentions of countries all over the This global warming is on such a scale that it will wreak havoc on both poor and rich It could even make large sections of the earth What have caused global warming? The theory and evidence strongly suggest that human-related emissions of carbon into the atmosphere is causing， and will in the future cause， significant global How we should fight global warming? We should be taking active steps now to curb emissions and we should be engaging in international co-operation to do A simple natural way to fight global warming is to have escalating Taxes on carbon There is a simple reason why this is the ideal remedy: carbon emissions into the atmosphere constitute a nuisance to everybody on the planet; so those who make this nuisance should pay for their A further recommendation is that there should be large-scale government support for research into new technology that will reduce carbon China is the rising economic star; and if it also wants to assert world leadership status， it is a good opportunity for China to show the world that it has a moral commitment and the will to fight global
