Mrs. Mitchell



How Many People Can Fit On Planet Earth??

While you watch the video, please answer the following:

Each person on this planet needs:

_____________________________ d) _______________________________

_____________________________ e) _______________________________

_____________________________

The biggest threat to human well being, other species, and the Earth as we know it is ________________

Human population density is a factor in every environmental problem I have encountered, from urban sprawl to urban overcrowding, disappearing tropical forest, to ugly sinks of _________________ waste, and now the relentless increase of atmospheric _________________________.

Human beings are good at many things but thinking about our species of a ___________.

In the next forty years the Earth will need to accommodate nearly three billion people. That is more than the population of the whole of:

______________________________

______________________________

___________________________________ combined!

What type of country will experience the most increase in growth? ________________________________________________________________________

Our population size has been keep in check by nature, just as it is for other animals. If there is plenty of __________, ___________, materials, and shelter. The population will thrive. But when disease, famine, or _________ strike life can be cut short.

Why did the population boom? _________________________________________________

The productive capacity of the Earth has ________________ limits and those limits will ultimately determine how many human beings it will support.

How much water does it take to produce:

Cup of coffee = _____________ litres of water

Can of beer = ________ litres of water

Hamburger = ____________ litres of water

Cotton shirt = ____________ litres of water

What is the green revolution?__________________________________________________________________________________________________________________________________________________________________________

What resource has humans harnessed that we now depend on, that is causing the biggest damage of all? ______________________________

The energy demand is predicted to increase by ____ percent in the next two decades.

It seems we are just beginning to realize the full impact that our industrialization is having on the World. In the ocean we have depleted fish stocks massively. _______ percent of the coral reefs are estimated to be beyond recovery. _________ of the worlds amphibians, _______ of the of all mammals, and ______ percent of plants are currently under threat of extinction.

Self interest is the more powerful argument because how we treat our environment certainly determines how many people the Earth can _______________________.

What is carrying capacity? ________________________________________________________________________________________________________________________________________________

The figures are based on rates of consumption that many already think are ___________________________________.

What are the three ways in which humanity needs to reduce its’ impact on the Earth:

____________________________________________________________________________________________________________________________________

____________________________________________________________________________________________________________________________________

____________________________________________________________________________________________________________________________________

Across the world __________ million births are unplanned.

During this video (60 minutes) the population has increased by ___________ people. Each one of them will be making their own demand on the Earth.

“If we damage our ecosystems we damage ourselves”

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download