• Thumbnail for Planetary boundaries
    Planetary boundaries are a framework to describe limits to the impacts of human activities on the Earth system. Beyond these limits, the environment may...
    106 KB (10,389 words) - 02:26, 1 June 2025
  • In meteorology, the planetary boundary layer (PBL), also known as the atmospheric boundary layer (ABL) or peplosphere, is the lowest part of the atmosphere...
    21 KB (2,077 words) - 14:06, 16 May 2025
  • Thumbnail for Stockholm Resilience Centre
    entity boundary has been exceeded. In 2023, scientists assessed all nine planetary boundaries for the first time. They found that six of these boundaries have...
    23 KB (2,274 words) - 21:34, 10 April 2025
  • Thumbnail for Johan Rockström
    to regional boundaries, interconnections and feedbacks between planetary boundaries, and the quantification of hitherto uncertain boundaries. Mercedes-Benz...
    35 KB (3,361 words) - 18:47, 5 April 2025
  • Attenborough and Johan Rockström. Breaking Boundaries tells the story how humans are pushing Earth beyond the boundaries that have kept the planet stable for...
    8 KB (599 words) - 22:53, 22 April 2025
  • environment. In 2009, the planetary boundaries concept was published in the science journal Nature. The paper identifies nine boundaries in the Earth system...
    9 KB (842 words) - 20:48, 2 January 2024
  • epoch; thus crossing planetary boundaries for safe levels of atmospheric carbon, ocean acidity, or one of the other stated boundaries could send the global...
    58 KB (6,811 words) - 10:24, 27 May 2025
  • Thumbnail for 2025 national electoral calendar
    March 2024. Retrieved 2 May 2024. "Switzerland votes on respecting planetary boundaries". 8 February 2025. "General Election called for February 18th, 2025"...
    23 KB (1,341 words) - 17:01, 2 June 2025
  • Thumbnail for Life-cycle engineering
    bottom-up approach for LCE that uses targets based on planetary boundaries. Planetary boundaries can be used to establish limits for the earth's carrying...
    14 KB (1,668 words) - 11:35, 24 May 2025
  • Thumbnail for Sustainability
    delivering what its citizens need without transgressing the biophysical planetary boundaries".: 11  Sustainability is regarded as a "normative concept". This...
    102 KB (11,014 words) - 19:20, 31 May 2025
  • Thumbnail for Doughnut (economic model)
    or lifebelt – combining the concept of planetary boundaries with the complementary concept of social boundaries. The name derives from the shape of the...
    21 KB (2,329 words) - 02:54, 29 May 2025
  • Thumbnail for Earth
    areas. The concept of planetary boundaries was introduced to quantify humanity's impact on Earth. Of the nine identified boundaries, five have been crossed:...
    219 KB (19,425 words) - 21:33, 29 May 2025
  • Thumbnail for Steady-state economy
    confronted by an ecological crisis, in which humans are living outside of planetary boundaries which will have significant effects on human health and wellbeing...
    147 KB (16,460 words) - 23:57, 23 May 2025
  • Planetary Health is a multi- and transdisciplinary research paradigm, a new science for exceptional action, and a global movement. Planetary health refers...
    29 KB (3,404 words) - 22:14, 25 May 2025
  • instruments can be used to measure properties of the planetary boundary layer, including boundary layer height, aerosols and clouds. Satellite remote sensing...
    13 KB (1,755 words) - 03:50, 28 January 2024
  • Thumbnail for Triple planetary crisis
    impacts on the environment including global catastrophic risk and planetary boundaries. For further information about human impacts on the environment,...
    10 KB (961 words) - 19:14, 25 May 2025
  • Thumbnail for World Environment Day
    United States forests Related Conservation officer De-extinction Planetary boundaries IUCN Red List NatureServe conservation status Special Area of Conservation...
    41 KB (2,720 words) - 07:04, 30 May 2025
  • environmental or planetary goal.: 144  The SDGs do not pursue planetary integrity as such.: 144  Environmental constraints and planetary boundaries are underrepresented...
    122 KB (12,395 words) - 06:37, 2 June 2025
  • The convective planetary boundary layer (CPBL), also known as the daytime planetary boundary layer (or simply convective boundary layer, CBL, when in context)...
    17 KB (2,573 words) - 11:22, 3 March 2024
  • Thumbnail for Pollution
    found that levels of anthropogenic chemical pollution have exceeded planetary boundaries and now threaten entire ecosystems around the world. Pollutants frequently...
    73 KB (8,579 words) - 19:35, 13 May 2025
  • sufficiency is about ensuring that all humans can live a good life within planetary boundaries, meaning without overshooting the ecological limits of the Earth...
    43 KB (4,997 words) - 21:34, 13 January 2025
  • Thumbnail for Environmental issues
    the earth's ecosystems if humans worked to live sustainably within planetary boundaries. The bulk of environmental impacts are caused by excessive consumption...
    13 KB (5,644 words) - 20:38, 14 March 2025
  • Thumbnail for Wind shear
    three-dimensional boundary. The stronger the outflow boundary is, the stronger the resultant vertical wind shear will become. Weather fronts are boundaries between...
    29 KB (3,346 words) - 15:56, 3 November 2024
  • Thumbnail for Barnard's Star
    Barnard's Star (category Planetary systems with four confirmed planets)
    the negative certainty regarding planetary objects in general. In 1999, the Hubble work further excluded planetary companions of 0.8 MJ with an orbital...
    57 KB (5,399 words) - 20:08, 26 May 2025
  • Thumbnail for 61 Cygni
    For 61 Cygni B, the habitable zone is 0.24–0.50 AU. Since no certain planetary object has been detected around either star so far, McDonald Observatory...
    50 KB (5,213 words) - 14:24, 24 May 2025
  • Thumbnail for Weak and strong sustainability
    sustainability is in defining and respecting hard boundaries and limits in relation to planetary boundaries. This attempts to give incommensurable value to...
    28 KB (3,563 words) - 10:08, 13 March 2025
  • conserve the space environment to secure and expand life? What role can Planetary Boundaries play in reshaping the human-earth relationship? The academic field...
    36 KB (4,415 words) - 01:15, 24 May 2025
  • envision a world in which 9+billion people can live well, within planetary boundaries, by 2050." This report was highlighted by The Guardian as "the largest...
    51 KB (6,933 words) - 12:57, 2 June 2025
  • Thumbnail for Will Steffen
    initiating along with Johan Rockström an international debate on planetary boundaries and the "safe operating space" for humanity and in 2018 on the possibility...
    18 KB (1,534 words) - 20:03, 22 September 2024
  • Thumbnail for Kate Raworth
    an economic model that balances between essential human needs and planetary boundaries. Raworth is senior associate at Oxford University’s Environmental...
    12 KB (1,006 words) - 17:44, 24 April 2025