About 70% of earth's freshwater is found in the ocean lakes and rivers glaciers and ice caps underground aquifers

About 70% of the Earth's Freshwater is frozen, that is in a solid state: it is found in form of Ice caps and Glaciers.

Even more water is found in the oceans, but the water in the oceans is salty, so it's not directly potable (good to drink) - so it's not freshwater.

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”

To relate to humans in a relational humanly way.