HLSC 1F90 Lecture Notes - Lecture 24: Healthy Planet, Intensive Farming, Global Warming
11 Sep 2016
School
Department
Course
Professor
Document Summary
Healthy planet: human health is fundamental to the health of our planet, human can become ill by ingesting food,water, air that"s polluted/contaminated, contamination can come from. Fossil fuel used for cars, machinery, cooking food, etc. 1 to 2 billion took 123 years. 6 to 7 billion took 12 years. Across the globe, fertility rates are decreasing. But infant mortality rates are falling either faster. In 2150, asia will have about 50% of the world population, africa 25% & europe. 5% (because of climate change effecting europe the most) Point-source pollutants enter a waterway at a speci c point (ie; pipe, ditch) Non point-source pollutants seep into the water from broad areas of land (ie; chemical run-off from farmers, land ll sites) Most contaminants (98% bacterial, 80%+ synthetic) come from non point sources. Safe water practices (proper ltering, don"t over use water, etc)
