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“In many places, demand for water exceeds supply. Approximately 97% of the world's water is salty...Water conservation
“Water pollution is a contamination of natural water bodies by chemical, physical, radio active...Water pollution
“One metric ton of ore/rock/sand/soil has 11/30 metric tons of CO2, 145/9,072 metric tons of Al...Ore, rock, sand, soil
“Planting one tree can save 48 pounds of CO2 a year or over 1 ton during its lifetime, 60 pounds...Plant a tree
This category has the following 2 subcategories, out of 2 total.
Pages in category "Rain conservation"
The following 49 pages are in this category, out of 49 total.