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93

Earth's Temperature: A Brief History of Recent Changes

Changes in Earth's temperature used to be caused by changes in sunlight, which in turn were caused by irregularities in the Earth's orbit around the Sun. Now, however, temperature changes are caused by changes in atmospheric greenhouse gases released by human activity, primarily the burning of fossil fuels.

8 comments    environment global warming nasa
How amazing is this? You can see this, and more, on Google Earth!91

Cool Things to See Using Google Earth

How amazing is this? You can see this, and more, on Google Earth! I admit it. I'm hooked. I'm hooked on virtual traveling with Google Earth. This week's Hub Mob Topic gave me just the opportunity to share my...

156 comments    travel google hobby
An Elf92

Learn to Speak Elvish

So you're curious about Elvish? Well, then you've come to the right place to learn to speak Elvish. This is the Elvish based on J.R.R. Tolkien's Middle Earth, so don't complain that this isn't Elvish as you know it.

25 comments    learn speak middle earth
Geothermal energy is generated in the earth's core, about 4,000 miles below the surface. Temperatures hotter than the sun's surface are continuously produced inside the earth by the slow decay of radioactive particles.91

Geothermal Energy

Some years back, when I was building a new house, the contractor asked me what sort of heat I wanted. My folks had always had a propane gas tank out under the apple tree on our Ohio farm, so now that I had a...

14 comments    energy environment save money
94

Ways to Stop Global Warming

Global warming is the recent increase in the average air and ocean temperature of the Earth as well as its expected continuation. What is so controversial about it is the actual potential for danger and its causes. Even if the emission levels stabilize, temperatures may continue rising for another thousand years or more. Many countries have been working to reduce greenhouse gas emissions to prevent global warming; some have signed and ratified the Kyoto Protocol for this purpose. However, others

88 comments    energy environment earth
90

Probability of Extraterrestial Life

Earth Equation and the Drake Equation are opposed in their findings. The first considers all the possible variables (continually adding more)...

33 comments    life education politics
All pictures in the public domain at NASA.89

Sun Spots and Global Warming

Sun Spots are all elements and indicators of the sun's weather activity. Yes, Sol has weather, but it is much greater in strength and impact than Earth's. It can also affect weather on our planet, as well as perhaps other things happening here.

29 comments    technology education video
Georgia Guidestones85

The Illuminati, wildlife conservation and culling the population

It does not come as any surprise to my mind to find that the elite who run the world or the Illuminati, as they are also known, actually care about wildlife and the natural environment, however, their love of...

80 comments    swine flu wildlife mother nature
89

200 Greatest Funk Songs of All-Time with an Unsung Classics Video

The songs featured in the video are.. P-Funk (Wants To Get Funked Up) - Parliament Shootin' the Grease - Jesse Graham Plus 3 Funky Music Sho' Nuff Turms Me On - Edwin Starr Get Up and Drive Your Funky Soul -...

23 comments    entertainment music video
The World from Space Photo courtesy of: http://www.google.com/search?hl=en&q=Photos+of+Earth+from+space&btnG=Google+Search88

What will the world be like in 100 years?

The World from Space Photo courtesy of: http://www.google.com/search?hl=en&q=Photos+of+Earth+from+space&btnG=Google+SearchThe world in 100 years? Well, changes will certainly have occurred. No doubt we will...

20 comments    technology environment society
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