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What are the characteristics of a broad-breasted white turkey?

For reproduction, broad-breasted white turkeys rely on artificial insemination. These industry-bred birds begin their life hatched in incubators, survive on a diet of fortified corn and have ... More

What prevents self-pollination in monoecious plants?

Flowers and trees have one important thing in common with the birds and the bees -- sexuality. In many plants, it takes pollen containing sperm from the male form of a plant to fertilize an egg in ... More

What makes San Francisco the top U.S. composting city?

San Francisco has the largest compost collection program in the United States. Including restaurants and food-related establishments, San Franciscans contribute more than 300 tons of organic ... More

What are the benefits of large-scale composting?

Large-scale composting helps the environment by taking pressure off ever-increasing landfills. Modern composting facilities aerate the waste and monitor its temperature and moisture levels, which ... More

What is a hemisphere?

A sphere is essentially a circle. When a sphere is broken into two halves of equal size, the halves are called hemispheres. Though any circle can be divided equally along an infinite amount of ... More

What challenges has the idea of vertical farming faced?

Many fields must work together in order for vertical farming to work. Agriculture, engineering, public health and civil planning are some of the areas involved, but it could take a few years to ... More

What is biodynamic viticulture?

Biodynamic viticulture is a type of biodynamic agriculture. It involves applying certain biodynamic farming principles to the cultivation of grapevines. Biodynamic viticulture considers the ... More

What are the principles of biodynamic agriculture?

Besides adhering to organic principles, there are six principles practitioners of biodynamic agriculture follow. Plant diversity, planting a variety of plants and mixing crops ... More

How do farms become certified as biodynamic?

To become certified biodynamic, farms must meet organic standards by practicing organic methods for three or more years. In addition, the farms must follow biodynamic principles such as ... More

How can vineyards become biodynamic?

Vintners who wish to practice biodynamic viticulture need to begin by following biodynamic beliefs and principles. To gain organic certification from the United States Department of Agriculture's ... More

What is biodynamic agriculture?

Biodynamic agriculture follows organic farming principles but also expands upon those to include metaphysical-based practices. Biodynamic farmers consider the "life force" of their farms, seeing ... More

What are the effects of deforestation?

Although natural causes, such as forest fires, contribute to deforestation, human activities including logging, agriculture and mining are more common causes. Today, due to such acts, rainforest ... More

How can we counteract deforestation?

Two ways to counteract deforestation are rainforest conservation and reforestation. While conservation is the practice of keeping the existing rainforests alive and thriving, reforestation ... More

What are some natural ways to reduce methane production in ruminants?

Many researchers are conducting studies to find healthier diets for ruminants, which may lower the amount of methane these animals produce. A Welsh study shows that when added to a cow's diet, ... More

What is the history of biodynamic agriculture?

In 1924, Dr. Rudolph Steiner, a philosopher, scientist and founder of the Waldorf School created biodynamic agriculture in response to modern farmer's use of chemical fertilizers and the ... More

In organic farming, how does tilling affect the land?

Erosion is a big concern for most farmers. In organic farming, in addition to the food crop, farmers plant other vegetation or "crop cover" to help improve the soil's water retention so that the ... More

How widespread is the practice of biodynamic viticulture?

Because vintners practice biodynamic viticulture in a variety of ways, not all vineyards using these principles can obtain biodynamic certification. However, biodynamic viticulture is gaining ... More

Why is it important to weigh the worms for vermicomposting?

Red wigglers eat the equivalent of half their body weight every day. So if you add one pound (16 ounces) of worms to the compost bin, you can feed them a half pound (8 ounces) of food every day. ... More

How can carbon dioxide be captured?

There are three different ways to capture carbon dioxide (CO2): Pre-combustion capture systems separate carbon dioxide from the original energy source. This prevents CO2 from being ... More

Can carbon dioxide be stored under the ocean?

One way to possibly store carbon dioxide is to put it at the bottom of the ocean. This idea was proposed first by Dr. Michael Pilson. Simply put, the idea is to turn gaseous carbon dioxide into a ... More

Why does the EPA deal with radiation, noise and pesticides?

Radiation occurs naturally but can be released from man-made items, such as nuclear reactors that process fuels and produce electricity. In addition, nuclear weapons testing can release radiation ... More

What is air pollution?

Waste products from human activity and industry pollute the air. Through the years, many parts of the United States and other areas have seen huge increases in exhaust from automobiles and other ... More

Why is solid waste management important in controlling pollution?

Before we can answer this question, let's define solid waste. Fair warning, it encompasses a lot of stuff. Just look at this definition of solid waste from New York State's Department of ... More

Which air pollutants contribute to the greenhouse effect?

Air pollutants, particularly carbon dioxide and chlorofluorocarbons, add to the greenhouse effect. Carbon dioxide is a type of pollutant produced by the normal combustion of fuels. The ... More

Why is artificial photosynthesis a good alternative to other technologies?

Photovoltaic cell technology is used in the production of solar panels, an expensive semiconductor based system that doesn't store energy. Instead, it converts sunlight for immediate use. Solar ... More