Gore went on to decry corporate decisions to develop herbicide-resistant crops and a bacterium that could prevent commercially crippling frost damage to crops.
Opponents retort that any such benefits are far outweighed by the damage such crops might do.
The lack of rain and high temperatures have done considerable damage to crops -- particularly those in the Midwest.
"There are problems with forestry, damage to crops, road traffic accidents and deer need to be moved on from problem locations and stag hunting does that very well, " he said.
BBC: NEWS | UK | Northern Ireland | Frustrations of hunter and hunted
It is inevitable that a storm this severe will cause damage to crops and logistics, with the result of reduced supplies and therefore, higher prices, until new crops can be planted, harvested and brought to market.
Later, farmers reported damage to young crops after "cover crops" - designed to protect them from the elements - were blown away.
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The deluge has caused extensive damage to key crops - such as wheat, cotton and sugar cane - in a country where agriculture is an economic lynch-pin.
Recovery work following the floods is expected to cost billions of dollars, with officials warning of severe damage to homes, crops and livestock.
Ozone in the lower atmosphere (troposphere) is regarded as a serious pollutant that can cause respiratory problems, and even damage masonry and agricultural crops.
Mrs Justice Rafferty ruled that the public order laws cannot be used against campaigners who damage or destroy GM crops if there is nobody who might be intimidated by their activities present in the fields.
Mr Khan says that the effect has not only been to wipe out this year's crops, but because of damage to the irrigation network, next season's crops will be lost too.
Because they are cheaper to use than helicopters, unmanned aircraft can be used to monitor crops and livestock, look at damage to buildings and for other uses.
CNN: Drone use in U.S. may require new laws, Senate panel told
It can adversely affect forests and crops, and is also linked with damage to plankton, the microscopic creatures at the bottom of the marine food chain.
Damage is mostly in the area of housing, infrastructure and crops plantations, but no assessment of those damages yet.
Another new report, by officials at the Department of the Environment's Biotechnology Unit, also supports fears that genetically modified crops could lead to the use of more powerful herbicides which might damage the habitats of farmland birds and wildlife.
Ranchers and farmers have complained for years about the damage feral pigs can cause, but federal and state officials said the loss of crops, the spread of noxious weeds as the pigs carry seeds to new spots and the stress they put on endangered species and other wildlife is now worse due to a persistent drought that has hammered two-thirds of the country.
There were concerns the development pesticide-resistant GM crops meant consumers were being exposed to increasingly toxic residues, some of which could damage embryos in the womb.
The lawsuits allege no actual damage but claim regulators failed to adequately consider the possible effects of genetic cross-contamination between genetically engineered and conventional crops.
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