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  2. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Air pollution is the presence of substances in the atmosphere that are harmful to humans and other living beings, or cause damage to the environment. Air pollution can be chemical, physical or biological. [1]

  3. Plastic pollution - Wikipedia

    en.wikipedia.org/wiki/Plastic_pollution

    Plastic pollution is the accumulation of plastic objects and particles (e.g. plastic bottles, bags and microbeads) in the Earth's environment that adversely affects humans, wildlife and their habitat.

  4. Water pollution - Wikipedia

    en.wikipedia.org/wiki/Water_pollution

    Water pollution (or aquatic pollution) is the contamination of water bodies, with a negative impact on their uses. [1]: 6 It is usually a result of human activities.. Water bodies include lakes, rivers, oceans, aquifers, reservoirs and groundwa

  5. Lai Châu province - Wikipedia

    en.wikipedia.org/wiki/Lai_Châu_province

    Lai Châu province is one of the most sparsely populated regions in Vietnam, and it shares a border with China. It was once a semi-independent White Tai confederation known as Sip Song Chau Tai , but was absorbed by France into French Indochina in the 1880s and subsequently became part of Vietnam following Vietnamese independence in 1954.

  6. Lake Nyos - Wikipedia

    en.wikipedia.org/wiki/Lake_Nyos

    Lake Nyos (/ ˈ n iː oʊ s / NEE-ohs) [1] is a crater lake in the Northwest Region of Cameroon, located about 315 km (196 mi) northwest of Yaoundé, the capital. [2] Nyos is a deep lake high on the flank of an inactive volcano in the Oku volcanic plain along the Cameroon line of volcanic activity.

  7. Tipping points in the climate system - Wikipedia

    en.wikipedia.org/wiki/Tipping_points_in_the...

    The IPCC Sixth Assessment Report defines a tipping point as a "critical threshold beyond which a system reorganizes, often abruptly and/or irreversibly". [14] It can be brought about by a small disturbance causing a disproportionately large change in the system.

  8. Lai Châu - Wikipedia

    en.wikipedia.org/wiki/Lai_Châu

    Lai Châu town square in 2006. Lai Châu, or Muang Lay (Vietnamese: Mường Lay) was the seat of lords of the White Tai who were dominant over other Thai peoples of the area, though there was rivalry between the White Tai rulers of Muang Lay and Muang So. [2]

  9. Mai Châu district - Wikipedia

    en.wikipedia.org/wiki/Mai_Châu_District

    Mai Châu is a mountainous region located in Hòa Bình province, approximately 135 km from Hanoi and 65 km from Hòa Bình city. The east of Mai Châu borders Đà Bắc and Tân Lạc districts, the west and the south border Quan Hóa district of Thanh Hóa province, and the north borders Vân Hồ district of Sơn La province.