江湖救急：：：求英语好手：帮忙做几个英语长句子翻译！！！！

1）前景广阔的新技术可以为我们的家庭，工业和汽车提供更干净，更有效的能源——既能减少废气的排放，又能促进经济的发展。
Broad-perspectived new technology can supply cleaner and more effective energy for our families, industry and motors---it can not only reduce the waste gas expiration but also stimulate the economic development.

2）如果我们不超越国界，共同面对环境威胁，地球将可能面临生态危机：有半数的物种将消失，我们的子孙也将承受全球变暖所带来的致命的洪水，干旱与疾病。
If we don't ignore the bounds and confront the environmental threat together, the earth will perhaps encounter ecological crisis: over half species will be extinct, and as well, our offspring will burden the fatal flood,drought and diseases caused by gloabal warming.

3）我们的地球是个生物圈，它要求各国携手，共同解决空气污染物长距离转移，有害废物处理等复杂的环境问题。
Our earth is a life circle, which requires each country to cooperate closely so as to solve the complicated enviromental problems such as the long distance transference of air polluting substances, hazardous waste disposition,and so on.

4）风险是生活中不可避免的一部分，或者来自与地震，火灾等罕见事件，或者来自于有害环