Farming
Farming is easier nowadays and very effective.
We seed the grain and corn "no till" or without plough.
And the consumer have cheap food.
But we have also many problems.
We need more and more mutated plants.
Now we can use chemical herbicide everytime.
Perhaps the herbicide glyphosate is harmless,
maybe not.
Unfortunately the weeds develop resistance.
And the chemical industry do not have a solution in sight.
I think any problem the chemical dissolve in agriculture, they create two new trouble.