Search Results | pollution
Your search for "pollution" returned 269 results
Why Is the Sky Blue?
science.howstuffworks.com/nature/climate-weather/atmospheric/sky.htm
We've all probably looked up and wondered why the sky is blue instead of, say, brown. The sky is blue because of the way Earth's atmosphere scatters light from the sun.
How can adding iron to the oceans slow global warming?
science.howstuffworks.com/environmental/green-science/iron-sulfate-slow-global-warming.htm
Scientists propose adding iron to the oceans to cut carbon dioxide levels and, in turn, decrease temperatures. See if adding iron to the oceans works.
What if we covered a city in a giant glass dome?
science.howstuffworks.com/engineering/structural/covered-city.htm
Domed cities would provide the same temperature year-round, no rain or snow, and the ability to go outside without worrying about a sunburn. Have they been tried before, and what about the people who enjoy their seasons?
How Deep Are the Great Lakes? And Why Are They Great?
science.howstuffworks.com/environmental/earth/geophysics/5-reasons-why-great-lakes-are-so-great.htm
The Great Lakes are named so for several reasons. HowStuffWorks looks at why the Great Lakes are so great, including their impressive depths.
What If Humans Could Breathe Underwater?
science.howstuffworks.com/science-vs-myth/what-if/what-if-humans-could-breathe-underwater.htm
Remove that pesky drowning risk, and the world formerly under the sea opens with possibility - despite our inefficient limbs and tendency toward hypothermia.
Has Earth reached its carrying capacity?
science.howstuffworks.com/environmental/green-science/earth-carrying-capacity.htm
Carrying capacity is the idea that sustainability requires balance. Learn about carrying capacity and human population.
How Far Can the Human Eye See?
science.howstuffworks.com/question198.htm
Just how far can the human eye see? There's no exact formula to figuring it out, but we do have an idea.
The Driest Place on Earth: Chile's Atacama Desert
science.howstuffworks.com/environmental/earth/geology/driest-place-on-earth.htm
The Atacama Desert, situated in northern Chile, is not just any ordinary arid region. Spanning over 600 miles (965 km) along the Pacific Coast of South America, it is one of the most extreme landscapes on the planet. Thanks to certain oceanic conditions, there are areas that have received zero rainfall throughout recorded history, making the Atacama Desert the driest place on Earth.
The Great Planetary Conjunction of 2020
science.howstuffworks.com/great-conjunction.htm
In 2020, Jupiter and Saturn aligned so closely that, from Earth, they looked like they were practically touching. The last time we saw this was in 1226.
Why Photosynthesis is Important
science.howstuffworks.com/science-vs-myth/what-if/what-if-photosynthesis-stopped.htm
Remember learning about photosynthesis when you were a kid? Let's pretend for a moment that this vital process could somehow permanently stop. How tough would it be to continue to live on this Earth?