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[1] [6] Although many development activities have individually minor impacts, collectively over time their impact on the environment can be substantial. Over time, indirect impacts of activities may have more severe impacts on ecosystems than direct ones, and can have impacts on larger temporal and spatial scales than that of individual ...
The Environmental Impact Assessment Law (EIA Law) requires that an environmental impact assessment be completed prior to project construction. However, if a developer completely ignores this requirement and builds a project without submitting an environmental impact statement, the only penalty is that the environmental protection bureau (EPB ...
Road traffic accidents usually involve impact loading, such as when a car hits a traffic bollard, water hydrant or tree, the damage being localized to the impact zone. When vehicles collide, the damage increases with the relative velocity of the vehicles, the damage increasing as the square of the velocity since it is the impact kinetic energy ...
An economic impact analysis is commonly conducted when there is public concern about the potential impacts of a proposed project or policy. [ 1 ] [ 2 ] An economic impact analysis typically measures or estimates the change in economic activity between two scenarios, one assuming the economic event occurs , and one assuming it does not occur ...
The International Initiative for Impact Evaluation (3ie) defines rigorous impact evaluations as: "analyses that measure the net change in outcomes for a particular group of people that can be attributed to a specific program using the best methodology available, feasible and appropriate to the evaluation question that is being investigated and ...
Impact may refer to: Impact (mechanics), a large force or mechanical shock over a short period of time; Impact, Texas, a town in Taylor County, Texas, US;
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
Social impact assessment (SIA) is a methodology to review the social effects of infrastructure projects and other development interventions. Although SIA is usually applied to planned interventions, the same techniques can be used to evaluate the social impact of unplanned events, for example, disasters, demographic change, and epidemics.