Getty Images
MS mist rises above river and grass, England, UK
MS mist rises above river and grass, England, UK
Getty Images
Ratcliffe on Soar power station in Nottinghamshire, UK, a massive cola fired power station which is contributing huge quantities of C02 to the atmosphere and driving climate change.
Ratcliffe on Soar power station in Nottinghamshire, UK, a massive cola fired power station which is contributing huge quantities of C02 to the atmosphere and driving climate change.
Getty Images
Ratcliffe on Soar power station in Nottinghamshire, UK, a massive cola fired power station which is contributing huge quantities of C02 to the atmosphere and driving climate change.
Ratcliffe on Soar power station in Nottinghamshire, UK, a massive cola fired power station which is contributing huge quantities of C02 to the atmosphere and driving climate change.
Curated Video
How A Changing Climate Is Changing Our Summers
The nonproft Union of Concerned Scientists describes summer as “danger season.”
Curated Video
High rise urban farming in Hong Kong
AP Television
City Farm, Quarry Bay, Hong Kong - 21 July 2012
1. Various of people tending plants in roof top farm
2. Close-up of plant
3. SOUNDBITE: (Cantonese) Osbert Lam, Founder of City Farm:
"It is good for the whole city. For...
AFP News Agency
CLEAN : STOCKSHOTS: Sinkholes on the receding shoreline of the Dead Sea
Stockshots of the shoreline of the Dead Sea that is receding about a metre (yard) every year, leaving behind a lunar landscape whitened by salt and perforated with gaping holes, and images of hotel resorts on the controlled evaporation...
Curated Video
The director of the National Hurricane Center says the oil spill in the Gulf is likely to have little impact on hurricane formation this storm season, because as big as the slick is, it would be dwarfed by the scale of a hurricane.
HEADLINE: Top forecaster doubts oil's effect on hurricanes
CAPTION: The director of the National Hurricane Center says the oil spill in the Gulf is likely to have little impact on hurricane formation this storm season, because as big...
Scholastic
Study Jams! Solids, Liquids, Gases
Your physical science class learns that there are three states of matter, and that adding or removing heat can cause it to change from one state to another. By the animations, printed information, and discussion between RJ and Zoe, they...
Khan Academy
Vapor Pressure, States of Matter and Intermolecular Forces, Chemistry
Vapor pressure is the focus of this chemistry video. Sal explains that when molecules are "sticking together," a substance takes on a liquid or solid form. However, when kinetic energy increases, the molecules are forced apart, allowing...
Veritasium
How Can Trees Be Taller Than 10m?
The longest functioning straw is 10.3 meters tall. The dilemma—if this is true— is how can a tree be taller than 10.3 meters? A video researches the answer and presents it in a thought-provoking video lesson. There are many components to...