内容正文:
Extended reading, read the article from a science magazine about global warming. Global warming island's in hot water. The pacific ocean covers around one third of the earth surface. Scattered across this ocean are thousands of islands. In recent years, the people of these islands have noticed tides getting higher and storms getting worse. And they wonder, is there were about to change. Sadly, the fact is that the island in the pacific, especially low lying coral ones, are suffering the serious effects of global warming. As global temperatures increase, so do sea levels. Increasing temperatures cause ice sheet and glaser at the northern south poles to melt, releasing additional water into the ocean. Warm water also takes up more room than cool water. So as the ocean warms, sea levels rise further. Scientists expect sea levels worldwide may rise by zero point six to one point three meters or more by two thousand one hundred if the planet continues to warm. On the pacific islands, the most obvious sign of rising sea levels is that at high tide, water moves further inland to flow into houses and over roads. In fact, beaches or even whole islands are disappearing. Five of the Solomon islands have already vanish beneath the wave since nineteen and forty seven. Increasing sea levels also contaminate the island's fresh water supplies. When salty sea water seeps through the ground and gets into wells, the water becomes useless for drinking and irrigation. Besides, growing sea levels interfere with some island's natural reshaping processes. Usually, waves gradually remove sand from one side of an island and dump new sand on the other side. Unfortunately, however, rising waves accelerate the process, and this certainly causes problems for anyone living on the side that is being washed away. Meanwhile, increasing global temperatures can have disastrous consequences in other ways. Extreme temperatures generate extreme rainfall patterns. Consequently, the islands go without life, sustaining rainfall for months, leading to crop failure and reduced fresh water reserves. Then suddenly, too much comes at once, and precious soil and homes are washed away by the floods. For example, on the hilly cook islands, storms have given rise to landslides that Carry island as homes down the hillsides. Additionally, the annual tropical cyclone are becoming stronger and happening more frequently, resulting in more severe flooding and landslides. What is more, as the ocean warms, many coral reefs, which act as natural barriers and are home to a rich diversity of ocean species, are dying. Heat and extra carbon dioxide in the atmosphere heard the corals that build the reefs without healthy reefs. Fish move away, and the islander's have less to eat. Despite the chAllenges, the islanders are not giving up without a fight. For many island communities, fighting climate change is not a choice. IT is a matter of survival. They are working with scientists and learning to protect their homes from flooding and storm surges by building sea walls from old bits of coral reefs. They are cutting down fewer trees since trees hold onto soil. They are also planting mangrove trees to protect the coastal areas to keep the damaging salt away from their crops. They are growing crops in containers. They are looking for crops that do not mind salty water. Hopefully they can find a way to stay on their islands, at least for a while. However, some islanders ers have made a life changing decision moving away from the ocean. IT is by no means easy, as the ocean has been part of their lives for generations. An entire village on the island of vanua let view in fig, abandoned their coastal homes to move up into the hills. Fortunately, they could begin a new life, buying land, building new houses and growing pineapples. Some miss their old life by the sea, but at least the hills provide refuge from the rising sea, and they are still together. Many of those whose islands have no hills are looking for homes on new islands or even in new countries. Most do not want to leave. But with the ocean moving in, they feel they have no choice. No matter what solutions the island is develop, their islanders are still in hot water. Global warming requires not only island is to fight back. After all, we are living in a human community with a shared future. Maybe we can take a lesson from the ocean. Melting ice in the arctic makes higher waves in fiji. Because all the oceans are connected. There are no walls between them. Change, one change. Or if we need to tackle the problem of climate change, we will have to work together as one.