Why do naturalists suggest that we plant more trees?

Trees take in carbon dioxide and other gases that we cannot breathe in and gives us oxygen. It also helps other plants and animals nourish themselves. To some animals, trees are their habitat so by planting more trees, we are technically building a habitat for plants and animals to live in. It's also good shade on a sunny day.

This is all you, but i can give you some topics that you could try. if it rained when you want to do something outdoors, it 'limits' that human activity. maybe you want to do an experiment that goes throughout the whole year and you have to have above freezing the entire year. this 'limits' your activity. i thought of those just off of the top of my head. something that gets to me that might be getting to you is you are thinking too hard about what to do. think simply, and if it is too simple, then bump it up just a little bit.

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