People and the planet

1. Biology
(part 3)

2. 
Time to save the planet?

3. 
Ways to reduce
environmental damage

4. 
 1.We should switch lights and electrical equipment
that is not in use.
 2.Use low energy light bulbs.
 3.Washing machines can be used only when there is
full load to wash.
 4.Let cloths dry outside rather than driers.
 5.In cold temperature put on warm cloths rather than
turning heaters.
Cutting energy source

5. 
Recycling and re-using

6. 
 Large-scale projects to address such problems :
-Setting up recycling schemes.
-Developing alternative ways of generating electricity
other than coal.
-Reduce the use of CFCs.
-Reduce harmful Pesticides in farming.
-Developing devices that reduce pollution ex: catalytic
converters
The work of government
and companies