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Energy Resources

The ongoing debate of which energy resources are the best for our enviornment and economy only highlights that are both positive and negative outcomes for using any renewable or nonrenewable resources we have access to.

Kristina List

on 5 July 2010

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Transcript of Energy Resources

Earth's Energy Resources In using all energy resources there are both Advantages and Disadvantages There are Two main types of resources we use to create energy Non-Renewable
Resources Renewable
Resources Resources that are used to create energy, But when they are used up, they are gone for good. Examples Coal Fossil Fuels Nuclear Power and Wil willsd Oil Natural Gas Coal Most abundant fossil fuel -
The supply of coal will out last all other fossil fuels. BUT Has to be mined out of the Earth,
which causes HUGE problems for the
environment and animal habitats! Resources that are used to create energy,
But once they are used up they are gone for good! Resources that cannot be used again -
Once the resource is used up, it is gone for good! Also, when burned, releases heavy metals, carbon dioxide, and sulfur dioxide Which pollutes the atomsphere! Oil A relatively inexpensive fuel source, and it burns cleaner than coal with less sulfur dioxide released... BUT Still pollutes greenhouse gases!
Its supply is estimated to last only about
30 more years! Natural Gas Cleanest fossil fuel!
NO sulfur dioxide is released. Inexpensive to deliver to consumers -
once pipelines are in place Supply is estimated to last 100 years or more! BUT Requires pipelines to be laid underground which is an expensive process and
not available everywhere... and naturl gas is
Odorless ~
can cause harmful
situations Produced from Uranium -
which means no greenhouse gases! But! Dangerous if mishandled and
there is NO system for disposing the hazardous waste
left behind There are alternatives to
Non-renewable resources by: Woodley Wonderworks by:Rennet Stowe by:eutrophication&hypoxia by: John Boston by: Mark Gallager by: Phillip Capper Sustainable resources that can be maintained
and when used, they can be replaced to use again HOWEVER Examples by: David Blaikie Sun Wind Water Organic Waste Earth's Heat Can use solar panels to create Solar Power Can use solar power to
heat water in homes ! And power cars without putting
polluting gases into the air! by: mjmonty These are considered to be cleaner
energy resources. When using these natural resources,
we can have a negative impact on
ecosystems and possibily the economy. And these resources are not avaiable
everywhere where energy is needed -
you cannot ship these resources to other places like you can with
non-renewable sources by: mjmonty The fastest growing energy technology: Wind Power By: Kevin Dooley Wind turbines are used to
generate electricity as strong
winds turn the turbine blades. Although there is no pollution
admitted like that from vehicles
on the road... Strong winds are not in enough
places to supply all the electricity
needs we have
A wind farm can have a negative
effect on wildlife Water sources like rivers and lakes can be used to generate electricity constantly through Hydropower by: Michael Fludkov A very clean and basically free energy source,
once the dam or plant is build. More RELIABLE than
wind or solar power! however Also dams distrub fish and
animal life! People like to use waterways for recreation - and People want to settle on the water... So sites to produce Hydroelectricity are limited! Organic materials are being turned into energy!
which is referred to as - Biomass For Example Corn stalks can be converted into biofuels Which can be used to provide heat
or power a car! by: Joel Penner However Growing or collecting enough fuel to
meet energy usages can be difficult. Biofuel is BURNED = Greenhouse Gases
like with fossil fuels Not to mention - Plus by: Jan Tik
http://www.flickr.com/photos/jantik/111670098/ We can take the heat
from underground most likely in volcanic areas and turn it into Geothermal Energy When the water is mixed with molten rock
it sends hot steam up to the surface Water is injected into hot spots in the Earth
and steam comes up that is used to generate power! NO Pollution is created! Not much impact on
Environment! BUT Some places may run out of steam for years
and years OR hazardous gases could come up
with the steam! by: rlsycle by: Allie Caufield To put less stress on our planet,
we must think of how we can use our We need to begin using less coal and more natural gas While also continuing to explore how areas can
rely on more than one renewable resource and
even alternate resources according to seasons or
weather patterns Research indicates that the best way to improve
our environment is to use less energy and put less
greenhouse gasses into the atmosphere.
If we could conserve energy more often then
our natural, renewable resources could be used
with less impact on the environment. Not many places are sutiable for
geothermal plants because of the lack
of necessary hot rock below the surface
and rock on the surface that is easy to
drill into.
AND All photographs in this presentation are
licensed under a Creative Commons
Attribution License A greater demand for orgainic waste means more water used to grow crops, more fertilizer that runs off into water supplies, and the higer some grown food costs will increase! This allows for less dependence on limited supply of fossil fuels
Is cheaper to produce.
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