题目

The increasing environmental problems and need for eco-friendly products and services are creating a new job section of green-collar jobs.   36   It is expected that by 2025 about 25% of the jobs in developed countries will be of green-collar jobs. Doesn’t the data look promising for the future?   37   And jobs will pop up at every income level, from environmental manager to gardener. For example, many countries including the United States have understood that fossil fuels have negative effect on the environment which can later become a serious danger to mankind.   38   T