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  2. Forest dieback - Wikipedia

    en.wikipedia.org/wiki/Forest_dieback

    Jizera Mountains in Central Europe in 2006 Tree dieback because of persistent drought in the Saxonian Vogtland in 2020. Forest dieback (also "Waldsterben", a German loan word, pronounced [ˈvaltˌʃtɛʁbn̩] ⓘ) is a condition in trees or woody plants in which peripheral parts are killed, either by pathogens, parasites or conditions like acid rain, drought, [1] and more.

  3. Acid rain - Wikipedia

    en.wikipedia.org/wiki/Acid_rain

    Acid rain can negatively impact photosynthesis in plant leaves, when leaves are exposed to a lower pH, photosynthesis is impacted due to the decline in chlorophyll. [88] Acid rain also has the ability to cause deformation to leaves at a cellular level, examples include; tissue scaring and changes to the stomatal, epidermis and mesophyll cells. [89]

  4. Soil contamination - Wikipedia

    en.wikipedia.org/wiki/Soil_contamination

    Acid rain; Intensive farming; Agrochemicals, such as pesticides, herbicides and fertilizers; Petrochemicals; Industrial accidents; Road debris; Construction activities; Exterior lead-based paints; Drainage of contaminated surface water into the soil; Ammunitions, chemical agents, and other agents of war; Waste disposal Oil and fuel dumping ...

  5. How California eco-bureaucrats halted a Pacific Palisades ...

    www.aol.com/news/california-eco-bureaucrats...

    In 2019, the LA Department of Water and Power (LADWP) began replacing nearly 100-year-old power line poles cutting through Topanga State Park, when the project was halted within days by ...

  6. Fallen tree causes propane leak, evacuation of 17 residents ...

    www.aol.com/fallen-tree-causes-propane-leak...

    A tree fell on a 500-gallon propane tank behind a Garland Street residence, creating a propane leak in Glenmont, forcing the evacuation of residents early Monday morning.

  7. Nonpoint source pollution - Wikipedia

    en.wikipedia.org/wiki/Nonpoint_source_pollution

    Sediment may enter surface waters from eroding stream banks, and from surface runoff due to improper plant cover on urban and rural land. [5] Sediment creates turbidity (cloudiness) in water bodies, reducing the amount of light reaching lower depths, which can inhibit growth of submerged aquatic plants and consequently affect species which are ...

  8. ‘A tremendous loss’: Tree believed to be oldest in North ...

    www.aol.com/tremendous-loss-tree-believed-oldest...

    Arborists revised those calculations in 2006 after examining samples of a limb that had blown down in a high wind. The limb was estimated at 226 years, leading some arborists to believe the bur ...

  9. Human impact on the nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_the...

    Approximately 78% of Earth's atmosphere is N gas (N 2), which is an inert compound and biologically unavailable to most organisms.In order to be utilized in most biological processes, N 2 must be converted to reactive nitrogen (Nr), which includes inorganic reduced forms (NH 3 and NH 4 +), inorganic oxidized forms (NO, NO 2, HNO 3, N 2 O, and NO 3 −), and organic compounds (urea, amines, and ...