Arquivo do mês: novembro 2015

Antropoceno XXIX – Sintese sobre Fronteiras do Planeta

Synthesis and progress on planetary boundaries The science on planetary boundaries builds on the remarkable advancements in Earth system science over the past 20 to 30 years. It’s an integration in the natural next step in scientific advancement between our … Continuar lendo

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Antropoceno XXVIII – As novas fronteiras

Novel entities Hello, my name is Sarah Cornell and I’m an environmental researcher at the Stockholm Resilience Centre. The first thing I need to do right now is explain what I mean by the term novel entities. Back in 2009, … Continuar lendo

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Antropoceno XXVII – A fronteira dos aerosóis

Aerosol loading Hello, I’m Sarah Cornell from the Stockholm Resilience Centre. And I’m going to explain why we’re concerned about the global human impact on atmospheric aerosols. Aerosol is a rather technical term to describe the phenomenon of liquid droplets … Continuar lendo

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Antropoceno XXVI – A fronteira do ciclo do Fósforo e do Nitrógeneo

Interference with global n and p cycles I’m going to talk with you about human impacts on the global nitrogen and phosphorus cycles. The global biogeochemical cycles link the living and the non-living parts of the Earth system. Chemical relationships … Continuar lendo

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Antropoceno XXV – A Fronteira do Terra e da Água

Land and water use change In this lecture we’ll go through two of the slow variables constituting critical planetary boundaries that regulate under the hood of the Earth system the big climate system and the large operation of the global … Continuar lendo

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Antropoceno XXIV – A Fronteira da Perda da Biodiversidade

Biodiversity loss It may surprise you that biodiversity is one of the planetary boundaries. But when one sits down and reflects a bit it becomes very obvious that biodiversity must be one of our planetary boundaries. Think of it, without … Continuar lendo

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Antropoceno XXIII – As 4 fronteiras silenciosas

In last  five posts we’ve gone through the big planetary boundaries of climate change, ocean acidification, and stratospheric ozone depletion. Naw will  be covering the remaining six planetary boundaries. This is a really exciting module where we will be exploring the … Continuar lendo

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