| A | B |
|---|
| nuclear radiation | a form of energy that comes from nuclear reactions. Radiation has no smell or taste, but it can be very harmful to living things. Materials polluted with nuclear radiation are said to be radioactive. |
| transbroundary pollution | pollution starts in one country and crosses boundaries into other countries. Generally, transboundary pollution is carried by wind or water |
| Industrial Revolution | the huge social and economic change in Europe and the U.S. that was produced by the shift from hand tools to machines in the 18/19th centuries |
| accidental pollution | the release of harmful substances into the environment as a result of accident |
| general pollution | the result of harmful substances into the environment as a result of everyday activities such as burning coal to make electricity |
| acid rain | rain that can damage the environment because it contains acid from pollution |
| river system | a river and all the tributaries that flow into it |
| downwind | in the direction that the wind is blowing |
| toxic chemicals | chemicals that are poisonous to humans or other living things |
| toxic waste | waste materials from industry that are poisonous to humans or other living things |
