Technology
Halloween Face Paint: It’s Scary Stuff
The carefree nature of Halloween has made the holiday a favorite among children and the young-at-heart. It’s a day when fantasy can be indulged. Collectively, Americans spend billions of dollars adorning stoops with Jack-o-Lanterns, filling candy bowls with treats, and transforming themselves into zombies, witches, and other creations.
Planning Cooler Cities
Anyone who has walked the streets of New York City or Washington, D.C. on a stifling summer day can attest to the fact that cities feel hotter. It’s not a matter of perception.
Coal Subsidies
Coal is the most important energy source for the Chinese economy and in a number of other places around the world. It is still the largest source of electricity in the US. It is also one of the main reasons that greenhouse gas emissions continue to increase despite worldwide technological progress and the expansion of renewable energy. New coal plants are still planned in many places and such plants will emit carbon dioxide for decades.
New Places For Solar Power
The modern face of solar energy is hundreds of thousands of rooftops covered with arrays of solar panels. It is also amazing expanses of solar panels and mirrors covering acres of desert land. Solar power capacity is expanding rapidly and is expected to at least triple over the next 10 years.
OTEC In Hawaii
The state of Hawaii has a bold energy agenda: it plans to get 100% of its energy from renewable sources by the year 2045. In order to get there, Hawaii is embracing a diversified mix of renewable energy generation sources. Of course, Hawaii’s famous sunshine has allowed the state to have the highest per-capital base of installed solar power in the nation. But it will take more than just solar power for Hawaii to get all of its energy from green sources.
Reducing Methane In The Atmosphere
Methane is the main component of natural gas. It is also a potent greenhouse gas, having 25 times the heat trapping ability of carbon dioxide.
Breeding Super Corals
The world’s coral reefs are increasingly threatened by the changing climate. Both warmer ocean temperatures and increasing ocean acidification are damaging coral populations and endangering the very existence of coral reefs.
Outsourcing Our Emissions
The average American is responsible for one of the largest carbon footprints in the world. Some 37% of our carbon emissions is associated with electricity generation; 33% stems from transportation – largely personal automobiles. The remaining 30% is attributed to industry, residential use, and agriculture.
Artificial Leaf Progress
The Joint Center for Artificial Photosynthesis was established at Caltech and its partner institutions in 2010 with one main goal: to find a cost-effective way to produce fuels using only sunlight, water and carbon dioxide. The natural process of photosynthesis in plants accomplishes exactly the same thing. As a result, such a solar fuel generation system is generally described as an artificial leaf.
Solar Power And The Landscape
The use of solar power is growing rapidly but with all the growth, solar power only provides 1% of the country’s electricity. On the other hand, in 2014, solar power accounted for almost a third of all the new US electric generating capacity. According to the International Energy Agency, solar power could be the world’s leading source of electricity by the year 2050.
Global Extinction Rates And Biodiversity
Many ecologists believe that the sixth mass extinction is underway. Whereas previous mass extinctions have been associated with cataclysmic events like asteroid strikes, this one is said to be associated with the impact of humanity on nature.
Getting The Lead Out
Lead. Romans made pipes out of it. Armies use it for bullets, artists and builders for paint. And, automotive engineers once added lead to gasoline to make engines run better. The problem: lead is toxic to humans.
K-Cups And The Environment
The biggest news in the past decade in the coffee business is not the arrival of yet another new Starbucks two blocks from the old one. It is the explosive growth of pod-based coffee machines. These gadgets used to just be in offices and businesses, but almost one in three American homes now has one.
Turning Divesting Into Investing
Colleges and universities are bustling with activity. Among the conversations on campus: the call from students to sell endowment investments in the fossil fuel industry. Stanford has eliminated its coal investments, and a small number of other universities have divested to varying degrees.
The Wind Boom Continues
Wind power continues to increase its contribution to the US power grid. The second quarter of this year saw almost 1.7 GW of new turbines come on line and there are almost 14 GW under construction.
Wikipedia: Especially Unreliable for Politically Controversial Science Topics
Wikipedia is world’s most popular online encyclopedia, the sixth most visited website in America, and a source most students rely on. But, according to a recent study, Wikipedia entries on politically controversial science topics can be especially unreliable.
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Earth Overshoot Day
Earth Overshoot Day is the day when, according to estimates, the total combined resource consumption of all human activity on the planet reaches the total amount that the Earth can generate for the year. It is the natural resource equivalent of the date by which you have spent your entire salary for the year.
Los Angeles’ Shade Balls
The worst drought in California history is leading to some creative ideas for saving water. The city of Los Angeles turned its primary reservoir into a giant ball pit.
A New Labeling Initiative
