incinerating - apex
Toxic chemicals in the air
If it can be replaced at the same or higher rate that it is being used up, it can be sustained. If I use 100 trees a year,but grow 200 new trees each year, that can be sustained. If I use 100, but plant only 50, eventually I run out of trees.
Milk production and consumption now causes much more pollution.
bacteria.
Replanting trees in deforested areas can help keep the oxygen cycle stable.
Pollution of groundwater
Dumping and burning
apex
Use more coal to make electricity(apex)
Turn off the lights when leaving the room. This is to save energy. It's especially true if your lighting company uses fossil fuels. A person can also reduce carbon releases by buying an electric car, these may be expensive, so shop around.
Turbines
electronic storage of files. apex
minerals and salts (apex)
crops that grow more reliably
A citric acid is added to the solution but the pH of the solution does not change