The document discusses several issues caused by environmental problems such as irrational use and pollution of water sources, decreased air and water quality, increased natural disasters, and deforestation. It recommends reducing fossil fuel use, using public transport, cycling or walking when possible, planting more trees, and using solar energy for water heating to help address these issues. The document was a school assignment completed by three students and received a sufficient grade.

3.  The irrational use and pollution of major
sources (rivers and lakes), can lead to
lack of fresh water
 Decrease of air quality and water
 Increase of natural disasters
 Deforestation

4.  Reduce the use of fossil fuels (gasoline, diesel).
 Whenever possible use the public transport
system (underground, bus) or cycling and
walking.
 plant more trees.
 use of solar energy for water heating

5. Work done by:
Inês Rebelo n.º 18/Marta Lopes n.º 22/
Barbara Dantas n.º 3
Mark: suf
Teacher: Armanda