. Until now, 38,000 people had evacuate from the flood-affected areas.
2. Typhoon Ketsana is now moving west, threatening to hit Central Vietnam in the Corning days.
3. About 500 ha of pine forests was destroyed by a fire last month.
4. Can we predict when a volcano erupted?
5. The crops failed because it hadn't rained all summer.
6. Forest fires may be started by people or by lightning in storms.
7. A powerful earthquake had striken Southern California on Friday night.
8. Scientists do not use the term “tidal wave” because tsunami waves aren't caused by tides.
9. The Amazon had already lost around 17 percent over the past 50 years.
10. I had never experienced such a big earthquake before I went to Java island.
11. Natural disasters can force people to leave their homes.
12. If you are trapped in a collapsed building, cover your mouth with a cloth to avoid breathing dust.