First of all it's easier to filter the water than to go spend $500 to get a glass of water from Canadaand sometimes you just need to use what you had we don't need to be spending so much money on something we don't have that we don't really needand we have water filters we need to use them we are not relying on streams and things like that to live now so just use a water filter that you have at your house or maybe one of your friends have one
Answer:
Because they happen naturally.
Explanation:
climate changes are natural to our planet and happen over time, according to the factors that act on the planet. In this way, climate changes should not be a concern for us, the problem is the speed with which they are happening.
Human activities use a lot of fossil fuels that stick to the atmosphere and accelerate these changes, which cause serious problems in the life of the planet.