1. What climate changes have taken place before the present time?
There had been several ice ages or glacial periods
What are the main differences between modern climate changes and the ones that occurred in the past?
The current changes aren’t the result of natural causes, but of human activity.
Which suggestions were made and why?
suggested that more forests should be planted to create so- called “sinks” to absorb greenhouse gases
What is the cause of the unusual warming of the earth ?
The greenhouse gases like carbon dioxide
Which natural disaster do you know?
earthquake, tsunamis, volcano eruption, floods, tornados, forest fire
How is emmited the greenhouse gases?
By cars engines and modern industrial processes
What is the principal effects of these greenhouse gases?
The heat of the sun is trapped and the planet warm up
Rising global temperatures could have serious consequences such as?
Floods and droughts
What were the agreements reached in the summit in Tokyo?
That most industrialized countries try to reduce the volume of greenhouse gas emissions and were given targets for their reductions
Which is one of the causes of the rapid climate change ?
The drastic deforestation