【答案解析】Even though lots of people deplore the grim future brought by the global warming, the greenhouse emissions will still rise. We have to take some realistic measures to face the gloomy future. 1. We should tackle some energy problems in reducing our use of oil. 2. We should acknowledge that global warming is an "iffy proposition"—the consequences of which are still not predictable. 3. We should recognize that improved technology is the only practical way of curbing greenhouse gases.