To make matters worse, people have been moving farther and farther into the Wildland Urban Interface, or WUI, which puts them at risk of experiencing, or even starting a fire. This also makes it difficult for fire management officials to set controlled burns—which mitigate the build-up of ...
adultswhonappedoftenweremorelikelytodevelophighbloodpressureandhaveastroke.But thatdoesn?t meanthenappingcausesthesehealthissues—instead,napping maybedueto unhealthybehaviors.Theresearchersfoundthatahighpercentageoffrequentnappersreported cigarettesmoking,dailydrinking,insomnia(失眠症)andotherfactorsthatcouldcontributeto...
Climate change is the biggest threat we face. Learn everything about climate change: causes, consequences, solutions...
too. Arsenic occurs naturally in the soil, but it can be found in higher concentrations in places with volcanic ash, rock erosion, and where forest fires have occurred. Industrial arsenic may get into ground water as well.
The most common type of logging in the U.S., especially in the U.S. South, is clear-cutting, when loggers remove all the wood from an area of forest, leaving bare ground. New trees are either planted or allowed to regrow naturally. Companies clear-cut forests because it’...
In the past two decades, the number of Americans at risk of experiencing a wildfire has doubled. Learn what you need to do if one is near you.
Large parts of the region are, therefore, covered by forests adapted to the poor soil quality and naturally occurring water stress [38]. Today, these forests are dominated by pine trees (Pinus sylvestris) as the result of long-term forest management. The potential natural vegetation in this ...
Some of the other causes are: clearing forests for oil and mining exploitation, to make highways and roads, slash and burn farming techniques, wildfires, and acid rain. Forest fires can occur naturally or in most cases are deliberate attempts by man to clear huge forests. Most of the time,...
For example, if someone has a controlled bonfire in her backyard and a heavy gust of wind causes a dead tree to fall into the fire pit, causing the fire to spread to a nearby field, she would not be guilty of reckless burning. This is because she had no way to know that the wind...
What causes global warming? The main driver of today's warming is the combustion of fossil fuels. These hydrocarbons heat up the planet viathe greenhouse effect, which is caused by the interaction between Earth's atmosphere and incoming radiation from the sun. ...