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Re:wild
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Re:wild's mission is to protect and restore the wild to build a thriving Earth where all life flourishes.
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Mars Petcare US, Inc.
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Through comprehensive veterinary care, nutrition, breakthrough programs in diagnostics, wearable health monitoring, DNA testing and pet welfare, our 100,000 Petcare Associates help pets in more than 130 countries.
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California Institute of Environmental design & Management (CIEDM)
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A private education, research, consultancy and advocacy center, to promote sustainable resilient design and development.
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Michigan State University Extension: Great Lakes Leadership Academy
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The mission of the Great Lakes Leadership Academy is to promote positive change, economic vitality, and resource conservation and enhance the quality of life in Michigan by encouraging leadership for the common good.
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Training
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Training programs
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NCASI
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The National Council for Air and Stream Improvement, Inc. (NCASI) is a 501 (c)(6) tax-exempt association organized to serve the forest products industry as a center of excellence providing unbiased, scientific research and technical information necessary to achieve the industry’s environmental and sustainability goals.
Our Mission
NCASI’s mission is to help our members cost-effectively meet their environmental and sustainability goals through basic and applied research, technical support, and education.
Through execution of our Mission, we provide essential support to our forest products industry members in their efforts to ensure the availability of a sustainably managed fiber supply, characterize and help improve the effectiveness of pollution control measures at manufacturing facilities and provide valuable insights and assistance to members in the manufacture of sustainable forest products.
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Foundation for Sustainable Forests
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The Foundation for Sustainable Forests is a 501(c)(3) nonprofit land trust and outreach organization dedicated to protecting the working forests of Pennsylvania, New York and beyond.
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Southeast Regional Partnership for Planning and Sustainability
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The Southeast Regional Partnership for Planning and Sustainability (SERPPAS) is a unique six-state partnership comprised of state and federal agencies that promotes collaboration in making resource-use decisions supporting national defense, conservation of natural resources, and sustainable working lands and communities in the Southeast US. SERPPAS serves as a forum to build effective working relationships between diverse partners, identify overlapping interests and implement mutually beneficial actions that support the mission of all the partners.
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Global non-linear effect of temperature on economic production
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Growing evidence demonstrates that climatic conditions can have a profound impact on the functioning of modern human societies (1,2), but effects on economic activity appear inconsistent. Fundamental productive elements of modern economies, such as workers and crops, exhibit highly non-linear responses to local temperature even in wealthy countries (3,4). In contrast, aggregate macroeconomic productivity of entire wealthy countries is reported not to respond to temperature (5), while poor countries respond only linearly (5,6). Resolving this conflict between micro and macro observations is critical to understanding the role of wealth in coupled human–natural systems (7,8) and to anticipating the global impact of climate change (9,10). Here we unify these seemingly contradictory results by accounting for non-linearity at the macro scale. We show that overall economic productivity is non- linear in temperature for all countries, with productivity peaking at an annual average temperature of 13 6C and declining strongly at higher temperatures. The relationship is globally generalizable, unchanged since 1960, and apparent for agricultural and non-agricultural activity in both rich and poor countries. These results provide the first evidence that economic activity in all regions is coupled to the global climate and establish a new empirical foundation for modelling economic loss in response to climate change (11,12), with important implications. If future adaptation mimics past adaptation, unmitigated warming is expected to reshape the global economy by reducing average global incomes roughly 23% by 2100 and widening global income inequality, relative to scenarios without climate change. In contrast to prior estimates, expected global losses are approximately linear in global mean temperature, with median losses many times larger than leading models indicate.
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Seeing the landscape for the trees: Metrics to guide riparian shade management in river catchments
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Rising water temperature (Tw) due to anthropogenic climate change may have serious conse- quences for river ecosystems. Conservation and/or expansion of riparian shade could counter warming and buy time for ecosystems to adapt. However, sensitivity of river reaches to direct solar radiation is highly het- erogeneous in space and time, so benefits of shading are also expected to be site specific. We use a network of high-resolution temperature measurements from two upland rivers in the UK, in conjunction with topo- graphic shade modeling, to assess the relative significance of landscape and riparian shade to the thermal behavior of river reaches. Trees occupy 7% of the study catchments (comparable with the UK national aver- age) yet shade covers 52% of the area and is concentrated along river corridors. Riparian shade is most ben- eficial for managing Tw at distances 5–20 km downstream from the source of the rivers where discharge is modest, flow is dominated by near-surface hydrological pathways, there is a wide floodplain with little land- scape shade, and where cumulative solar exposure times are sufficient to affect Tw. For the rivers studied, we find that approximately 0.5 km of complete shade is necessary to off-set Tw by 18C during July (the month with peak Tw) at a headwater site; whereas 1.1 km of shade is required 25 km downstream. Further research is needed to assess the integrated effect of future changes in air temperature, sunshine duration, direct solar radiation, and downward diffuse radiation on Tw to help tree planting schemes achieve
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Mapping tree density at a global scale
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The global extent and distribution of forest trees is central to our understanding of the terrestrial biosphere. We provide the first spatially continuous map of forest tree density at a global scale. This map reveals that the global number of trees is approximately 3.04 trillion, an order of magnitude higher than the previous estimate. Of these trees, approximately 1.39 trillion exist in tropical and subtropical forests, with 0.74 trillion in boreal regions and 0.61 trillion in temperate regions. Biome-level trends in tree density demonstrate the importance of climate and topography in controlling local tree densities at finer scales, as well as the overwhelming effect of humans across most of the world. Based on our projected tree densities, we estimate that over 15 billion trees are cut down each year, and the global number of trees has fallen by approximately 46% since the start of human civilization.
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