木有hint

environmentalists conservationists environmentally-friendly countries on this planet must join forces make a concerted effort unite combat environmental problems raise or elevate the public awareness of something put a strain on the resources stretch resources to the limit wreak havoc on natural resources deforestation boost crop yield
环保主义者 n. environmentalists/ conservationists 对环境无害的 adj. environmentally-friendly 各国必须携手解决环境问题 countries on this planet must join forces/ make a concerted effort unite/ combat environmental problems 增强公众关于……的意识 raise or elevate the public awareness of something 让资源承受很大压力 put a strain on the resources/ stretch resources to the limit 破坏自然环境 wreak havoc on natural resources 砍伐森林 n. deforestation 增加农产品产量 boost crop yield