Human Activities on Land
This term describes the growth of cities and the migration of people into them.
What is urbanisation?
The decrease in pH of the ocean caused by increased carbon dioxide in the atmosphere.
What is ocean acidification?
The increase in the number of people living on Earth.
What is population growth?
The thinning of the Earth's protective layer that shields us from harmful UV radiation.
What is ozone depletion?
This activity involves the clearing of forests for timber or other uses, often leading to habitat loss.
What is forestry?
This type of pollution includes chemicals, sewage, and trash that contaminate rivers, lakes, and oceans.
What is water pollution?
The period of agricultural advancements that increased global food production.
What is the green revolution
A type of air pollution formed when pollutants react with sunlight, creating a hazy fog.
What is smog?
This process extracts valuable minerals and resources from the earth, sometimes causing environmental damage.
What is mining?
This process removes impurities from wastewater to make it safe for reuse or discharge.
What is wastewater treatment?
Organisms whose genetic material has been altered using genetic engineering techniques.
What are GMOs (genetically modified organisms)?
The presence of harmful substances in the air, including gases and particulates.
What is air pollution?
This type of pollution includes trash, chemicals, and other contaminants that degrade soil quality.
What is land pollution?
This process removes salt from seawater to make it drinkable.
What is desalination?
The process by which fertile land becomes desert, typically due to drought, deforestation, or inappropriate agriculture.
What is desertification?
The primary gas responsible for ozone depletion.
What are chlorofluorocarbons(CFCs)?
This is the term for the expansion of urban areas into the surrounding countryside, often leading to habitat fragmentation.
What is urban sprawl?
The practice of catching fish faster than they can reproduce, leading to population decline.
What is overfishing?
he practice of growing a single crop in a large area, which can deplete soil nutrients and increase pest vulnerability.
What is monoculture?
This type of air pollution can lead to acid rain and respiratory problems.
What are sulfur dioxide and nitrogen oxides?