Visual Dictionary Online


Powered by

enhanced greenhouse effectclick to hear

Human activity constantly emits greenhouse gases, which trap ever more heat in the atmosphere.
enhanced greenhouse effect air conditioning system intensive husbandry intensive farming global warming greenhouse gas concentration fossil fuel

air conditioning system click to hear

Air conditioning systems use chlorofluorocarbons (CFCs) that absorb infrared rays and damage the ozone layer.

intensive husbandry click to hear

Raised in great numbers, ruminants emit methane as a by-product of digestion.

intensive farming click to hear

To obtain the maximum yield, intensive farming uses chemical fertilizers that are responsible for various forms of air and water pollution.

global warming click to hear

Temperatures have increased by 0.5% in the last century; continued rises in temperature could result in major climate changes.

greenhouse gas concentration click to hear

Increasingly abundant greenhouse gases reflect more and more infrared rays toward the Earth’s surface, accelerating global warming.

fossil fuel click to hear

The combustion of wood and fossil fuels (coal, oil, natural gas) emits carbon dioxide and methane into the atmosphere.