Ways to reduce how much gasoline you use in a week.
Many
The main chemical compound in the atmosphere that is the source of ocean acidification.
What is carbon dioxide
A personal action that can be taken in everyday life to reduce the amount of water used by you.
Many Answers
The human activtiy/technology responsible for most CO2 emissions
Burning Fossil Fuels
The measure of reflectivity.
What is albedo?
A category of animals that have been brought to a new habitat where they dominate native species.
What is an invasive species
Excessive exposure to UV radiation, including that due to the thinning ozone layer, is linked to several health problems in humans, including these two.
What are cataracts, skin cancer, and weakened immunity?
There are several indicators/signs across Earth of current increasing temperatures, including the following two.
What are increasing humidity, increasing temperatures over oceans, increasing sea surface temperatures, decreasing sea ice, increasing ocean heat content, increasing temperature of lower atmosphere, decreasing glaciers, increasing sea levels, decreasing snow cover, increasing temperatures over land?
These are two examples of ecosystem services.
What are lumber sources, watersheds/freshwater filtration and recharge, control the severity and number of floods, pollination by insects, soil development and maintenance, formation of oxygen?
A personal action that can be taken in everyday life to reduce the amount of carbon emissions produced.
Urbanization/Urban Sprawl
The protein source has the greatest environmental cost in land use, methane emissions, and CO2 emissions.
The conference where countries came together to address Ozone Depletion and ban CFCs
What is the Montreal Protocol?
The 1996 meeting of the parties to the U.N. Framework Convention on Climate Change at which highly developed countries agreed to establish legally binding timetables to cut emissions of greenhouse gases. Note: The U.S. did not ratify this treaty.
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What is the Kyoto Protocol?
Excise taxes on environmental pollutants or on goods whose use produces pollutants.
What are green/carbon taxes?
Type of country/demographic transition stage that produces the most GHG emissions.
(Bonus shot if you give me the stage number)
Developed Country (Stage 4)