Sentences with phrase «growing fuel crops»

A new study shows that degraded, marginal or abandoned land may not be very productive for growing fuel crops

He also rules out soybeans and grasses and even sugarcane in places such as Brazil because rain forests are being destroyed solely to grow the fuel crop.

... Many people argue that making corn - based ethanol is more of an agricultural subsidy for farmers than it is a sound environmental policy.Things get even dodgier for biofuels when you look at the land area that would be needed to grow fuel crops.

But the authors of [a] recent article in Science say that if our primary motive in switching to biofuels is to reduce global warming, then we have to look at all our options for the land that would be needed to grow fuel crops.

Nuclear reactors are dangerous and land clearance and chemical pesticides and fertilisers used to grow fuel crops can cause huge environmental damage, he added.

Not exact matches

CHS is the largest farmer - and rancher - owned cooperative in the U.S. and provides the stuff farmers need to grow crops — fuel and farm supplies — and then buys growers» harvests to either sell or process.

AMATA, Mexico (Reuters)- Farmers growing marijuana in remote Mexican mountains are adopting techniques pioneered in the United States to produce more potent pot and boost profits from the cash crop that is fueling a deadly drug war.

At least 70 percent more calories would be available if farmers shifted from growing crops for feed and fuels to food production

By turning crops such as corn, sugarcane and palm oil into biofuels — whether ethanol, biodiesel, or something else — proponents hope to reap the benefits of the carbon soaked up as the plants grow to offset the carbon dioxide (CO2) emitted when the resulting fuel is burned.

Conventional cotton growing consumes 500 pounds of pesticide per square mile and requires up to a pound of oil per pound of cultivated cotton to fuel farm machinery and crop dusters.

Growing crops in city skyscrapers would use less water and fossil fuel than outdoor farming, eliminate agricultural runoff, and provide fresh food

Biofuels Growing mushrooms for biodiesel could require far less soil and other resources than commonly cultivated fuel crops.

The algae grow quickly, tolerate extreme weather conditions and do not pose the same issues as biofuel crops that are grown both for fuel and food.

Growing crops for fuel — known as biofuels — represents another potential way of cutting GHGs by replacing fossil fuels (biofuels created underground by nature over millions of years).

By dramatically improving the speed and efficiency of conversion over conventional approaches, these enzymes could stimulate efforts to grow crops for fuel, with implications for biodiversity in the form of increased land use for this purpose, potential shifts away from fossil fuel use and reductions in greenhouse gas emissions.

Use the sun's energy to grow the crop, and then convert it to liquid fuels to power our cars without the need for gasoline.

Environmentalists have also become critical of using corn, sugarcane and other agricultural crops because they typically need lots of fresh water, fossil fuel — rich fertilizer and land to grow.

Environmental groups protested that this calculation did not include the indirect effects of needing land to grow crops for fuel as well as food.

Now biodiesel entrepreneurs in tropical zones in Africa and India are buying up land, starting plantations and looking forward to making fuel from the seeds, which, they argue, will be better for the global environment and economy than conventional biofuel crops grown in temperate climates.

This Bioenergy Technologies Office helps solve this equation by supporting research on which bioenergy crops to grow and how to grow them; technologies designed to convert biomass to fuels and other products; and analysis methods for determining how well the production processes achieve their economic and environmental goals.

The new study estimates land available for growing biofuels — crops such as corn or sugarcane that can be converted to fuels - at between 56 and 1035 million hectares, compared to previous estimates of 320 to 1411 million hectares.

CLEMSON — Clemson University plant breeders released 21 new crop varieties that can help grow food, fiber and fuel.

Study finds that biofuel crops grown on marginal lands could produce up to half of world's current liquid fuel consumption without impacting crops

The MINI Cooper Hardtop's entry level engine this year is part of the growing crop of fuel sippers with three inline cylinders.

This works for biofuels, as growing crops absorb atmospheric CO2 and convert it to sugars, oils, etc., leading to no net change in atmospheric CO2 when the fuel is burned — but it does not work for coal, oil or natural gas, however.

Even if we completely deforested Brazil, Indonesia, Malaysia, and the Congo to plant biofuel crops (not a good idea in light of Climate Change), we wouldn't and can never grow enough to fuel the type of economy we have now.

[ANDY REVKIN comments: I'm pretty sure they've changed over to using all ethanol fuel, which is a step in the right direction ONLY if the fuel is from crops grown and harvested without using a lot of conventional fossil fuel.]

Biomass - to - energy is a sustainable solution that can reduce greenhouse gas emissions to the atmosphere, assuming that secondary and tertiary biomass is used (rather than crops grown primarily for biomass fuel) to substitute the use of fossil fuels.

Growing crops for fuel is an extraordinarily inefficient way to produce energy for transportation.

In Indonesia, 60 percent of national greenhouse gas emissions come from land - use change, in part, fuelled by the growing demand for palm oil and agricultural crops.

It is used in power generation, primarily for cooling thermal power plants; in the extraction, transport and processing of fuels; and, increasingly, in irrigation to grow biomass feedstock crops.

Another category is biomass grown in excess of what would have grown absent the demand for bioenergy, such as growing winter cover crops for energy and replacing traditional — yet inefficient — fuel wood harvests in some poor countries with wood grown in agroforestry systems and local plantations.

Methane released from animals and their wastes can be reduced by altered diets and methane capture systems, and nitrous oxide production can be reduced by judicious fertilizer use27 and improved waste handling.24 In addition, if biofuel crops are grown sustainably, 28 they offer emissions reduction opportunities by substituting for fossil fuel - based energy (Ch.

The fact is that if we can't greatly reduce fossil fuel use by the 2030 - 2040 range, by 2075 be will see a global average temperature rise of 3.5 to 4.0 degrees Celsius, which is also just about the time frame for world phosphate supplies to enter critical shortages that will eventually cut crop yields in half and require twice as much land and water to grow the same yield as previously.

By way of calibration, this would essentially eliminate the need for oil imports for passenger vehicle fuel and would require only the amount of land now in the soil bank (the Conservation Reserve Program («CRP») on which such soil - restoring crops as switchgrass are already being grown.

In other words, new crops don't need to be grown in order to create this clean fuel source — instead, it's made from waste products.

And because they need so much land to grow on, all fuels from dedicated crops raise very complex issues.

In addition to the energy crops discussed in Chapter 2, these include forest industry byproducts, sugar industry byproducts, urban waste, livestock waste, plantations of fast - growing trees, crop residues, and urban tree and yard wastes — all of which can be used for electrical generation, heating, or the production of automotive fuels.

Clearing land to grow crops for «green» biofuel and mandating tree planting to reverse the effects??? Brazil's enthusiasm for ethanol has contributed to deforrestation and all the attendant destruction of biodiversity and yet we encourage these alternate fuels with additional subsidies.....

95 The case for crop - based biofuels was further undermined when a team led by Paul Crutzen, a Nobel Prize — winning chemist at the Max Planck Institute for Chemistry in Germany, concluded that emissions of nitrous oxide, a potent greenhouse gas, from the synthetic nitrogen fertilizer used to grow crops such as corn and rapeseed for biofuel production can negate any net reductions of CO2 emissions from replacing fossil fuels with biofuels, thus making biofuels a threat to climate stability.

It's pretty simple: Almost everybody uses (or wants to use) fossil fuels, but many fewer people clear tropical forests, grow a particular crop or manufacture exotic chemicals.

«Human - Generated Ozone Will Damage Crops, Reduce Production... MIT, 2007... A novel MIT study concludes that increasing levels of ozone due to the growing use of fossil fuels will damage global vegetation, resulting in serious costs to the world's economy.

In fact, over the entire life cycle of growing and harvesting crops, turning them into fuel, transporting and using them in vehicles, ethanol and biodiesel emit as much CO2 as petroleum — and require infinitely more acreage.

(11/15/07) «Ban the Bulb: Worldwide Shift from Incandescents to Compact Fluorescents Could Close 270 Coal - Fired Power Plants» (5/9/07) «Massive Diversion of U.S. Grain to Fuel Cars is Raising World Food Prices» (3/21/07) «Distillery Demand for Grain to Fuel Cars Vastly Understated: World May Be Facing Highest Grain Prices in History» (1/4/07) «Santa Claus is Chinese OR Why China is Rising and the United States is Declining» (12/14/06) «Exploding U.S. Grain Demand for Automotive Fuel Threatens World Food Security and Political Stability» (11/3/06) «The Earth is Shrinking: Advancing Deserts and Rising Seas Squeezing Civilization» (11/15/06) «U.S. Population Reaches 300 Million, Heading for 400 Million: No Cause for Celebration» (10/4/06) «Supermarkets and Service Stations Now Competing for Grain» (7/13/06) «Let's Raise Gas Taxes and Lower Income Taxes» (5/12/06) «Wind Energy Demand Booming: Cost Dropping Below Conventional Sources Marks Key Milestone in U.S. Shift to Renewable Energy» (3/22/06) «Learning From China: Why the Western Economic Model Will not Work for the World» (3/9/05) «China Replacing the United States and World's Leading Consumer» (2/16/05)» Foreign Policy Damaging U.S. Economy» (10/27/04) «A Short Path to Oil Independence» (10/13/04) «World Food Security Deteriorating: Food Crunch In 2005 Now Likely» (05/05/04) «World Food Prices Rising: Decades of Environmental Neglect Shrinking Harvests in Key Countries» (04/28/04) «Saudis Have U.S. Over a Barrel: Shifting Terms of Trade Between Grain and Oil» (4/14/04) «Europe Leading World Into Age of Wind Energy» (4/8/04) «China's Shrinking Grain Harvest: How Its Growing Grain Imports Will Affect World Food Prices» (3/10/04) «U.S. Leading World Away From Cigarettes» (2/18/04) «Troubling New Flows of Environmental Refugees» (1/28/04) «Wakeup Call on the Food Front» (12/16/03) «Coal: U.S. Promotes While Canada and Europe Move Beyond» (12/3/03) «World Facing Fourth Consecutive Grain Harvest Shortfall» (9/17/03) «Record Temperatures Shrinking World Grain Harvest» (8/27/03) «China Losing War with Advancing Deserts» (8/4/03) «Wind Power Set to Become World's Leading Energy Source» (6/25/03) «World Creating Food Bubble Economy Based on Unsustainable Use of Water» (3/13/03) «Global Temperature Near Record for 2002: Takes Toll in Deadly Heat Waves, Withered Harvests, & Melting Ice» (12/11/02) «Rising Temperatures & Falling Water Tables Raising Food Prices» (8/21/02) «Water Deficits Growing in Many Countries» (8/6/02) «World Turning to Bicycle for Mobility and Exercise» (7/17/02) «New York: Garbage Capital of the World» (4/17/02) «Earth's Ice Melting Faster Than Projected» (3/12/02) «World's Rangelands Deteriorating Under Mounting Pressure» (2/5/02) «World Wind Generating Capacity Jumps 31 Percent in 2001» (1/8/02) «This Year May be Second Warmest on Record» (12/18/01) «World Grain Harvest Falling Short by 54 Million Tons: Water Shortages Contributing to Shortfall» (11/21/01) «Rising Sea Level Forcing Evacuation of Island Country» (11/15/01) «Worsening Water Shortages Threaten China's Food Security» (10/4/01) «Wind Power: The Missing Link in the Bush Energy Plan» (5/31/01) «Dust Bowl Threatening China's Future» (5/23/01) «Paving the Planet: Cars and Crops Competing for Land» (2/14/01) «Obesity Epidemic Threatens Health in Exercise - Deprived Societies» (12/19/00) «HIV Epidemic Restructuring Africa's Population» (10/31/00) «Fish Farming May Overtake Cattle Ranching As a Food Source» (10/3/00) «OPEC Has World Over a Barrel Again» (9/8/00) «Climate Change Has World Skating on Thin Ice» (8/29/00) «The Rise and Fall of the Global Climate Coalition» (7/25/00) «HIV Epidemic Undermining sub-Saharan Africa» (7/18/00) «Population Growth and Hydrological Poverty» (6/21/00) «U.S. Farmers Double Cropping Corn And Wind Energy» (6/7/00) «World Kicking the Cigarette Habit» (5/10/00) «Falling Water Tables in China» (5/2/00) Top of page

Refining transportation fuels requires water, as does producing fuels — for example, mining coal, extracting petroleum, or growing crops for biofuels.

The good news is that it can be done with existing technology, by cutting energy waste, expanding the use of renewable sources, growing trees and crops (which remove carbon dioxide from the air) to turn into fuel, capturing the gas before it is released from power stations, and - maybe - using more nuclear energy.

Why should we grow bio fuels from food crops if 1.2 billion people go hungry and why should these bio fuels be sustainable in any way if people die?

Over the next few months, however, the DEA's delay and expressed intent to review the applications as if the farmers intended to grow an unprecedented amount of Schedule I drugs, versus cultivate a non-drug agricultural crop, fueled frustration in North Dakota's legislature.

Re bio fuel folley, 5 % of the world's crop land has been taken out of food production when food needs are growing, and put into growing fuel.

They forgot to take into account the fossil fuel inputs into growing the crop.