This is believable as higher temps would mean
more arable land, more evaporation would mean more rainfall and we have seen over the last 50 years as CO2 has climbed that total biotic life on the planet has increased some 30 - 50 % according to NASA satellites measurements.
Concerning global warming: a warmer world is to be welcomed because it means higher humidity levels, a shrinkage of deserts,
more arable land, and a longer growing season all of which mean more food production.
If it was a matter of choice, I think the nearer to sun is better than further from the sun, mainly because where continental land mass are currently located - we would get
more arable land.
Other than possibly slightly higher sea levels, I see a lot of good coming from increased vegetative growth, and
more arable land for vegetation to grow in.
# 18: «I see a lot of good coming from increased vegetative growth, and
more arable land for vegetation to grow in.»
New ways to utilize starch from cassava can provide food to an additional 30 million people without taking
more arable land than today.
Climate change is also likely to eat up
more arable land, contributing to fears of food scarcity, as well as the loss of biodiversity, which is likely to occur at a faster rate.
Yet farming and ranching already exact a daunting toll on the environment: burn down rain forests to create
more arable land, dump fertilizers onto fields that run off and choke life in rivers and oceans, emit volumes of greenhouse gases into the atmosphere, use up vast stores of freshwater for irrigation.
Not exact matches
«This forecast is in line with medium - term supply demand fundamentals including the transition to
more balanced diets, urbanization and a push to increase crop yields due to less
arable land,» TD economist Sonya Gulati said.
Even in China where
land is vast, official figures in 2014 have indicated that
more than 40 percent of
arable land in China has already been degraded.
The need to produce
more agricultural products with less water and
arable land will tempt a modernizing China to engage in crash programs of high tech farming that will prove radically unsustainable.
Former Prime Minister Bob Hawke said that «none of Australia's environmental problems is
more serious than the soil degradation... over nearly two - thirds of our continent's
arable land» (Brown 1990, p. 60).
At the conclusion of their book, For the Common Good, Herman Daly and John B. Cobb Jr. find hope in thinking that «on a hotter planet, with lost deltas and shrunken coastlines, under a
more dangerous sun, with less
arable land,
more people, fewer species of living things, a legacy of poisonous wastes, and much beauty irrevocably lost, there will still be the possibility that our children's children will learn at last to live as a community among communities.»
More acreage was converted to growing crops between 1950 and 1980, than from 1700 to 1850, and
arable land is one of nine «planetary boundaries» that scientists have identified — limits past which humanity should fear to tread.
However, the area suffers a high loss of habitat due to deforestation for
more arable and pasture
land.
While recent policy interventions (such as the Good Agricultural and Environment Condition requirements of the CAP, and the EU Soil Thematic Strategy) have reduced the rate of soil loss in the EU by an average of 9.5 % overall, and by 20 % for
arable lands, the study finds that four million hectares of EU croplands have unsustainable rates of soil loss (
more than 5 tonnes per hectare per year).
However, pressures to increase the amount of
arable land for food and fuel could offset the reduction, unless
more sustainable
land management practices are applied.
Its drain on the earth's resources is enormous: it claims 70 percent of all freshwater taken by our species and
more than 40 percent of the planet's solid surface (nearly all the
arable land), with attendant casualties in biodiversity.
More than 40 percent of China's
arable land is suffering from degradation, official news agency Xinhua said, reducing its capacity to produce food for the world's biggest population.
With only 7 % of the world's
arable land feeding
more than 20 % of the world's population, part of the solution is through PPI's ag - biotechnologies.
Some other statistics: About half of the world's tropical forests have been cleared (FAO) Forests currently cover about 30 percent of the world's
land mass (National Geographic) Forest loss contributes between 6 percent and 12 percent of annual global carbon dioxide emissions (Nature Geoscience) About 36 football fields worth of trees lost every minute (World Wildlife Fund (WWF)-RRB- Rain Forest Threats, Rain Forest Species
More than half of Earth's rain forests have already been lost forever to the insatiable human demand for wood and
arable land.
This could mean less fish in the sea for food and less
arable land for crops, as well as many
more conflicts in the world to control dwindling resources.
At the dawn of the 21 st century, with unprecedented population growth and its ensuing competing demands for water,
arable land, housing, education, and economic development, spatial analysis has become
more critical.
Because the amount of
arable land is limited and what is left is being lost to urbanization, salinization, and desertification, it no longer possible to simply open up
more undeveloped
land for cultivation to meet production needs.
When the earth's temperature rises on average by
more than two degrees, interactions between different consequences of global warming (reduction in the area of
arable land, unexpected crop failures, extinction of diverse plant and animal species) combined with increasing populations mean that hundreds of millions of people may die from starvation or disease in future famines.
It's basically the same old thing using a marginally
more available feedstock that still requires
arable land to produce.
The restricted access to watering holes and
arable land have made the Maasai
more vulnerable to famine, particularly in recent drought years.
With
arable land in retreat and water supplies falling, crop yields were already in decline in many areas, while malnutrition rates were rising — precisely the conditions witnessed in
more extreme forms in the famine - affected areas today.
Prolonged winters, advancing glaciers, colder summers,
more frequent storms and extended cloudiness reduced
arable land, shortened growing seasons, rotted grain in wet fields, and brought -LSB-...]