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From SDG Academy
| 614 614 playsThere is rising scientific evidence that humanity has now entered a new era that is defined as the Anthropocene, in which humanity is shaping the entire biosphere in a… -
From SDG Academy
| 294 294 playsThe planetary squeeze, or the driving forces that explain why we’ve ended up with rising environmental risks, originate from four different areas: population… -
From SDG Academy
| 398 398 playsProfessor Carl Folke discusses a social-ecological system approach, in which people are looked at as being part of, and changing, the planet, in addition to being… -
From SDG Academy
| 395 395 playsThe global ocean connects us all and provides our livelihoods, the oxygen we breathe, and transportation, among other things. The ocean is included in SDG 14. This… -
From SDG Academy
| 367 367 playsThe ocean has always sparked human curiosity. In the mid-20th century, people began to realize that there are limits to what humanity should do to our planet before it… -
From SDG Academy
| 292 292 playsA planetary boundary process is an environmental process that is part of the Earth's regulatory system, helping it to remain in our current desired state of the… -
From SDG Academy
| 180 180 playsThis chapter is about the challenges and opportunities that urban centers face. Urban centers are expanding beyond traditional urban boundaries in a process called urban… -
From SDG Academy
| 77 77 playsThis chapter explains the concern about atmospheric aerosols, which are liquid droplets or particles that are suspended in the atmosphere. They absorb and reflect light,… -
From SDG Academy
| 136 136 playsWe are now a big world on a small planet. The Great Acceleration starts with the expansion of human exploitation of the world, seen in urbanization, land-use… -
From SDG Academy
| 191 191 playsPlankton are tiny creatures that drift in the sunlit surface layer of the sea, and their choreography is conducted by sunlight and nutrients. Light only penetrates the… -
From SDG Academy
| 153 153 playsIn the period from 1950 to the late 1980s, global catches in fishers have increased from less than 20 million tons per year to about 80 million tons per year. They have… -
From SDG Academy
| 117 117 playsThis chapter discusses human impacts on the global nitrogen and phosphorus cycles that link the living and non-living parts of the Earth system. These chemical… -
From SDG Academy
| 82 82 playsThis chapter discusses the social foundations for the planetary boundaries. This goes back to the Brundtland Report of 1987, which defined sustainability as a… -
From SDG Academy
| 121 121 playsBirds contribute to pest predation and control, among many ecosystem services at agricultural landscapes. Trees can contribute to ecosystem regulation, shelter and… -
From SDG Academy
| 76 76 playsChallenges arise when trying to define quantitatively the boundary position for each global process. First, a control variable is identified as a parameter that… -
From SDG Academy
| 116 116 playsThis chapter explores the origins of the planetary boundaries, which comes from the recognition that we’ve entered the Anthropocene and that the exponential…