The Surprising Ways Mars is Hostile to Life

We use steel utensils, instead of that if we use mud utensils, less mining would be needed of iron ore.
Groundnuts are extracted from its skin cover, cooked and packed in plastic bags. Instead of that the groundnuts should be sold with its skin cover. The consumers should come to the store with cloth bags and buy things. In this way we can reduce plastic use. Also for other things like groundnut same method should be used. 

A mistake in agriculture
When many farms are created in one place at forest, say about 100 acres, we cut all the trees their, but that would make that area hot if all trees are cut down. So maybe we should have 1 acre farm, then 1 acre forest, then 1 acre farm, then 1 acre forest.