The study was a collaboration between three teams who have independently devised economic models
of global land use.
UNEP Publications: This report explores how the management of land - based biomass production and consumption can be developed towards a higher degree of sustainability across different scales: from the sustainable management of soils on the field to the sustainable management
of global land use as a whole.
He also leads the institute's Global Landscapes Initiative, which focuses on the nexus
of global land use, agriculture, food security and environment.
Not exact matches
With 80 %
of the world's farmable
land already in
use, Dickson Despommier, an ecologist at Columbia University's Mailman School
of Public Health, says that in 50 years we would need «another Brazil - sized landmass» to feed the three billion people expected to be added to the
global population.
But in addition to the impact
of air miles,
global land and resource
use determine the sustainability
of the food we eat - food production can destroy or displace natural resources in order to supply growing demand.
China reportedly has 10 %
of global arable
land and
uses over 30 %
of global fertilizer.
Other environmental impacts such as greenhouse gas emissions or
land use should be taken into consideration, when possible, in order to address the environmental impacts
of the
global dairy sector in a holistic manner.
The 2014 program schedule included: culinary demonstrations centered around adventurous flavors and new menu trends; presentations and panel discussions focused on sustainable agricultural practices, the role
of wheat in our diet vs. seekers
of gluten - free options, and water issues affecting food production; discussions on how American menus are often shaped by millennials, health and nutrition concerns, and
global cuisines; a Friday field trip to the CIA Farm in St. Helena and through Marin and Sonoma Counties to visit Pozzi Ranch, Dutton Ranch (where Valley Ford Cheese Company joined), and Gourmet Mushrooms with tastings and presentations by the farmers as well as farm bureau and
land trust experts; and the exciting and interactive Saturday Market Basket Exercise, where attendees were divided into six teams to develop menu concepts
using sponsor products for the following categories:
As Jonathon Bloom
of Wasted Food explained, the existing food system perpetuates the overproduction
of commodities, artificially low prices, and disproportionate
use of our resources (80 %
of water, 50 %
of land and 10 %
of global oil is
used in food production).
The plan establishes a set
of six fundamental principles for the region, which include: transportation and other infrastructure upgrades; new commercial and residential growth;
land use and transportation decisions based on policies like the
Global Warming Solutions Act and the Clean Energy and Climate Plan; creation and preservation
of workforce housing that matches new job rates; creation and maintenance
of an effective public transit system; and coordinated planning and implementation efforts.
The
Global Food Security programme is the UK's main public funders of food - related research and training are working together through the Global Food Security programme to meet the challenge of providing the world's growing population with a sustainable, secure supply of safe, nutritious, and affordable high - quality food using less land, with lower inputs, and in the context of global climate change, other environmental changes and declining reso
Global Food Security programme is the UK's main public funders
of food - related research and training are working together through the
Global Food Security programme to meet the challenge of providing the world's growing population with a sustainable, secure supply of safe, nutritious, and affordable high - quality food using less land, with lower inputs, and in the context of global climate change, other environmental changes and declining reso
Global Food Security programme to meet the challenge
of providing the world's growing population with a sustainable, secure supply
of safe, nutritious, and affordable high - quality food
using less
land, with lower inputs, and in the context
of global climate change, other environmental changes and declining reso
global climate change, other environmental changes and declining resources.
«Adequate management
of agricultural and forestry
land uses are amongst the lowest - cost actions that can reduce
global warming, and most actions are either neutral cost or
of positive net profit to society, requiring no substantial capital investment,» the report says.
The groups said the United States should make the conservation, restoration and sustainable management
of forests in developing nations a central goal
of federal climate legislation, as tropical deforestation and other
land -
use decisions account for about 20 percent
of global greenhouse gas emissions.
This data can then be
used to analyze the spatial and temporal dynamics
of environmental conditions, including baseline data for
global climate change and their relevance to changes in regional
land use patterns.
The World Bank estimates that over the next 15 years, the
global economy will require $ 89 trillion in infrastructure investments across cities, energy and
land -
use systems, and $ 4.1 trillion in incremental investment for the low - carbon transition to keep within the internationally agreed limit
of a 2 - degree - Celsius temperature rise.
A substantial portion
of the planet is greening in response to increasing atmospheric carbon dioxide, nitrogen deposition,
global warming and
land use change.
It was the discovery
of a consistent year - to - year profile that allowed the researchers to move beyond a previous analysis, in which they identified the hottest spots on Earth, to the development
of a new
global - change indicator that
uses the entire planet's maximum
land surface temperatures.
There has been a
global, 30 - year increase in surface mining (1), which is now the dominant driver
of land -
use change in the central Appalachian ecoregion
of the United States (2).
Land -
use changes over the past 250 years in Europe have been huge, yet, they only caused a relatively small temperature increase, equal to roughly 6 %
of the warming produced by
global fossil fuel burning, Naudts noted.
The model has already been integrated into the next generation
of the
global land model
used for climate simulations by the NOAA Geophysical Fluid Dynamics Laboratory, a major national climate modeling center.
Further observations will be
used to refine the
global map, to construct local and regional digital elevation models for scientific analysis and aid in assessment
of future
landing sites, and to attempt to detect and characterize
global - scale seasonal variations.
They range from LANDSAT images
of land use in the Chesapeake Basin, to fish catches off California since the 1920s, to 400,000 years
of global temperature estimates from antarctic ice cores.
«Climate and
land use change have long been linked to changes in water yield,» said Peter Caldwell, research hydrologist for the Forest Service Southern Research Station (SRS) and primary author
of the article recently published in the journal
Global Change Biology.
Alternatively, more than a quarter
of land used for agriculture at present would have to be converted into biomass plantations — putting at risk
global food security.
It increases the ability to predict how changes in
land use or climate warming could affect the sources and
global concentrations
of greenhouse gases in the atmosphere.
«With
land use sector emissions accounting for 25 percent
of all
global warming pollution, it is essential that countries with the potential to reduce emissions in this sector — like the U.S., EU, and Mexico — clearly commit to doing so in their INDCs,» said Doug Boucher, director
of UCS's Tropical Forest and Climate Initiative.
The new study is one
of the first to provide a
global accounting
of regional and local water impacts, taking into account seasonal changes and different types
of intervention, including water withdrawals, reservoir regulation,
land -
use change, and irrigation.
Throughout his career, he has made major contributions to our understanding
of worldwide changes in ecosystems,
land use and climate, and
global food security.
Forestry, agriculture and
land -
use changes account for nearly 25 per cent
of global greenhouse gas emissions, second only to the energy sector.
Land - use changes in the United States, such as the conversion of undeveloped land to housing or agricultural use, appear to be contributing to global warming trends to a much greater degree than scientists previously thou
Land -
use changes in the United States, such as the conversion
of undeveloped
land to housing or agricultural use, appear to be contributing to global warming trends to a much greater degree than scientists previously thou
land to housing or agricultural
use, appear to be contributing to
global warming trends to a much greater degree than scientists previously thought.
These results explain the difference between recent
global estimates
of forest «
land use» area (3890 Mha) and the area with a «
land cover,» the authors say.
And
of the $ 300 trillion to $ 400 trillion likely to be invested in the total
global economy, $ 90 trillion will be poured into the world's cities,
land -
use production and energy systems.
To inform its Earth system models, the climate modeling community has a long history
of using integrated assessment models — frameworks for describing humanity's impact on Earth, including the source
of global greenhouse gases,
land use and
land cover change, and other resource - related drivers
of anthropogenic climate change.
Image: Jesse Allen / NASA (
using SRTM data courtesy
of Global Land Cover Facility / U.
The researchers produced a long - term
global satellite record
of land evapotranspiration
using remote sensing satellite data.
The industry has faltered because
of declining
global demand and low natural gas prices, which have encouraged electric power companies to
use gas instead
of coal to generate electricity, said Ray Rasker, executive director
of Headwaters Economics, an independent research group focusing on the economic implications
of land management decisions in the West.
«The simple relationship between the temperature and the
global land carbon sink should be treated with caution, and not be
used to infer ecological processes and long - term predictions» adds Dr. Reichstein, head
of the Department.
Currently deforestation and
land use change accounts for 11 percent
of global greenhouse gas emissions annually.
Today agriculture and other
land -
use changes account for about a third
of global greenhouse gas emissions.
In total, exports
of meat and other animal products
use at least 8 percent
of the
global agricultural
land base.
In an article published in the journal Science, authors Dr. Sandra Brown,
of Winrock International, and Dr. Daniel Zarin,
of the Climate and
Land Use Alliance, posit that, while the idea seems simple and compelling, ambiguity surrounding
global definitions and metrics actually creates risks for forest conservation and accountability.
Given the invisible prevalence
of citizen science in advancing this one area
of global change research, we suspect it also common in many other areas
of inquiry such as studies
of land -
use change, invasive species, and environmental pollutants, to name a few.
He also was an author
of the Intergovernmental Panel on Climate Change's Special Report on
Land -
Use Change and Forestry, the
Global Biodiversity Assessment, and a coordinating lead author in the recently published Millennium Ecosystem Assessment.
Providing the world's growing population with a sustainable, secure supply
of safe, nutritious, and affordable high - quality food
using less
land, with lower inputs, and in the context
of global climate change, other environmental changes and declining resources requires eco-innovation to become embedded across the whole food supply system.
Methods: A
global collaboration
of scientists responded to a request from the Intergovernmental Panel on Climate Change, and generated a set
of four scenarios to represent future greenhouse gas emissions and
land use change.
Astonishingly, forestry, agriculture and
land -
use changes account for nearly 25 percent
of global greenhouse gas emission - that's second only to the energy sector.
In the first comprehensive satellite study
of its kind, a University
of Colorado at Boulder - led team
used NASA data to calculate how much Earth's melting
land ice is adding to
global sea level rise.
Can science results be
used effectively in policy - oriented integrated assessment models that are our only tool for evaluating
global - level impacts
of policy and climate change, particularly with regard to
land use?
Current management practices in the
land use sector are responsible for approximately 25 per cent
of the
global greenhouse gas emissions.
Globally, extremely warm nights that
used to come once in 20 years now occur every 10 years.12 And extremely hot summers, those more than three standard deviations above the historic average, are now observed in about 10 %
of the
global land area, compared to 0.1 - 0.2 % for the period 1951 - 1980.13