HLSC 1F90 Lecture Notes - Lecture 21: Landfill, Smog, Halocarbon

• School: Brock University
• Department: Health Sciences
• Course: HLSC 1F90
• Professor: Kelli-an Lawrance

Document Summary

Healthy planet l human health: environmental health is fundamental to human health, human can become ill, or die from. Ingesting food, water or dust that is polluted. Pollution: water quality and water pollution, please read all section of text, water contamination and treatment, water shortages (how does canada fare?, protecting the water supply (toxics down drains) Solid waste pollution: average cdn produces > 700kg household waste per year, mostly organic kitchen, paper products and yard waste (not shown) Greenhouse gases: vital because they absorb lethal radiation from the sun, And they form a blanket the earth to keep it warm: nitrous oxide, methane, ozone, halo-carbons, other chlorine- & bromine-containing substances. To understand how ghg gases contribute to climate change, you have to first appreciate that ghgs a(cid:396)e (cid:374)atu(cid:396)all(cid:455) o(cid:272)(cid:272)u(cid:396)(cid:396)i(cid:374)g i(cid:374) the ea(cid:396)th"s at(cid:373)osphe(cid:396)e, but, a(cid:396)e (cid:271)ei(cid:374)g pushed to da(cid:374)ge(cid:396)ousl(cid:455) high le(cid:448)els by human influence. (cid:862)natural(cid:863) ghgs.