求翻译：以前，有许多人浪费能源，环境也不好。现在，人们只要回收能源，减少对大自然的污染，就可以有效的保护环境，例如，走路或骑车出行，不乱扔垃圾等等。是什么意思？

Previously, many people waste energy, the environment is not good. Now, one need only recover energy and reduce pollution of nature, you can effectively protect the environment, such as walking or cycling trip, do not throw garbage and so on.

Previously, there were many people who waste of energy and environment is also good. Now, as long as people have Recycling energy, reduce pollution, on the nature of the protection of the environment can be effective in walking or cycling, for example, do not litter, commuters, and so on.

正在翻译，请等待...

, There was many people waste energy, the environment is not good. Now people recover energy, reducing pollution on nature and can effectively protect environment for example walking or cycling trip, not littering and so on them.

, There was many people waste energy, the environment is not good. Now, as long as energy recovery, reducing the pollution of nature, can be effective in protecting the environment, for example, walking or cycling trips, don't litter, and so on.