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Tag: earth talk

salmon

What fish can we eat?

Between mercury poisoning, overfishing and the environmental impacts of fish farms or “aquaculture,” some might expect to see a “Proceed with Caution” sign above seafood counters soon.


griz

What is being done to protect grizzly bears?

Before European colonization of North America, upwards of 50,000 grizzly bears—also known as brown bears—roamed free across what is now the continental United States.


couch

Moving beyond flame retardants

Putting flame retardants in furniture seemed like a good idea back in the 1970s to help protect against the risk of fire, but our insistence on safety has come back to haunt us.


earth-new

Assessing the risks of genetically engineered crops

Earth Talk examines the potential health and environmental impacts of so many genetically engineered organisms in our food supply.


earth-new

Earth Talk: Should plastic bags be banned?

California made big news recently when it announced the first statewide ban on plastic shopping bags set to kick in during the middle of 2015. Beginning in July, large grocery stores, pharmacies and other food retailers in the Golden State will no longer be able to send shoppers home with plastic bags, while convenience markets, liquor stores and other small food retailers will join the ranks a year later.


earth-new

Earth Talk: Are fuel cell cars green?

Fuel cell cars have not caught on and skeptics wonder if they ever will. One big hurdle is that creating hydrogen fuel turns out to be highly inefficient compared to other readily available fuels.


earth-new

Earth Talk: Is organic agriculture sustainable?

Dr. Henry I. Miller, former director of the Office of Biotechnology at the U.S. Food & Drug Administration, argues that conventional farming—which uses synthetic pesticides, herbicides and fertilizers and often genetically modified (GM) seed stock to maximize yields—is actually better for the environment, producing more food and using less water compared to organic farming.


earth-new

Earth Talk: The bright future of wind power

Hydroelectric sources of power dwarf other forms of renewable energy, but wind power has been a dominant second for years, and continues to show “hockey stick” growth moving forward.


earth-new

Earth Talk: Teaching kids about climate change

Kids today may be more eco-savvy than we were at their age, but complex topics like climate change may still mystify them. Luckily there are many resources available to help parents teach their kids how to understand the issues and become better stewards for the planet.


earth-new

Earth Talk: Cheaper natural gas lowering carbon dioxide emissions

Carbon dioxide emissions are indeed lower than at any time since 1994, according to data recently released by the U.S. Energy Information Administration (EIA). But if you think that the rise of the hybrid car, our embrace of public transit, walking, biking and those new windows on the house are behind the trend, think again.


earth-new

Earth Talk: Greener holidays

While the holidays are festive and fun, they can take a toll on the environment. All that shopping, decoration, food preparation and travel adds up to more carbon emissions and more waste. But there are ways to minimize our impact and still celebrate the season in grand style.


earth-new

Earth Talk: Cleaning up local waterways

Indeed, many of our local waterways have seen better days, thanks to decades of pollution. And cleaning them up and preventing further damage can be challenging, since much of the contamination has accumulated over time and results from what is known as “non-point source” pollution, which accounts for as much as 60 percent of the water pollution in the U.S.


earth-new

Earth Talk: Greener ways to frack for natural gas?

Hydraulic fracturing (known as “fracking”) is a method of causing fissures in underground shale rock formations to facilitate the extraction of otherwise inaccessible natural gas and oil. In a typical fracking operation, drillers inject a mixture of pressurized water and chemicals underground to fracture the rock and free up the gas and oil.


earth-new

Earth Talk: Reducing Waste in Retail Store Operations

Waste is an issue for all retail operations, given the need to take in and unpack large numbers of individual items and then display and package them up in a way that customers will appreciate.


earth-new

Earth Talk: Ecosystem damage from beach resorts

While they may put up with a lot of stress from wind, waves and weather, beaches and the coastal environments surrounding them are surprisingly fragile.


earth-new

Earth Talk: Concerns over essential oils

Essential oils are more popular than ever for medicinal and therapeutic purposes as well as in fragrances and flavorings for food and drinks.


earth-new

Earth Talk: Preventing beach erosion

Beach erosion is a huge issue for coastal areas in the U.S. and elsewhere. According to the non-profit American Shore & Beach Preservation Association (ASBPA), all beaches endure storms and other natural disturbances that cause them to lose sand, but the causes of beach erosion are not always the same.


earth-new

Earth Talk: Sugar vs. artificial sweeteners

The production of sugar has indeed taken a huge environmental toll. “Sugar has arguably had as great an impact on the environment as any other agricultural commodity,” reports the World Wildlife Fund (WWF), citing biodiversity loss as a result of the “wholesale conversion of habitat on tropical islands and on coastal areas” to grow sugar.


earth-new

Earth Talk: Solar geo-engineering

Solar geo-engineering is a term describing any of various techniques for reducing the amount of sunlight that reaches the Earth and its atmosphere.


earth-new

Earth Talk: Early puberty may have environmental roots

Research indicates that indeed Americans girls and boys are going through puberty earlier than ever, though the reasons are unclear. Many believe our widespread exposure to synthetic chemicals is at least partly to blame, but it’s hard to pinpoint exactly why our bodies react in certain ways to various environmental stimuli.


earth-new

Earth Talk: A Fierce Green Fire

A Fierce Green Fire is a new film documenting the rise of the modern environmental movement from the 1960s through the present day. It premiered at last year’s Sundance Film Festival and will be playing at select theaters across the country beginning in September 2013. Educators, environmental groups and grassroots activists also will be showing the film at small and large events from coast to coast over the course of the fall.


earth-new

Earth Talk: Human overpopulation

Ever since Thomas Malthus published “An Essay on the Principle of Population” in 1798, positing incorrectly that humans’ proclivity for procreation would exhaust the global food supply within a matter of decades, population growth has been a hot button issue among those contemplating humankind’s future.


earth-new

Earth Talk: Sharing is caring

The convergence of environmental awareness and consumer culture has created a whole new movement today whereby sharing is cool. Indeed, some environmentalists view sharing as key to maintaining our quality of life and our sanity in an increasingly cluttered world.


earth-new

Earth Talk: Ghost factories

In April 2012, USA TODAY published a series entitled “Ghost Factories,” a report on an investigation into lead contaminated soil in hundreds of neighborhoods around the U.S. where lead factories once operated. The investigation addressed the lack of action taken by the U.S. Environmental Protection Agency (EPA) to test and clean up these sites despite having been warned in 2001 about the dangerous levels of lead contamination around the areas of these old facilities.


earth-new

Earth Talk: Sea level rises not letting up anytime soon

Since sea level measurements were first recorded, in 1870, global averages have risen almost eight inches. The annual rate of rise has been 0.13 inches over the past 20 years, which is close to twice the average from the previous 80 years. Future estimates for sea levels vary according to region but most Earth scientists agree that sea levels are expected to rise at a greater pace than during the last 50 years.