Earth System Visioning » biosphere http://www.icsu-visioning.org   Fri, 04 Sep 2009 10:57:06 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 Issue of resilience of our Oceans vis-a-vis climate and geosphere/biosphere changes, as all sort of pressures (natural and anthropogenic) are affecting today the Oceans Realm? How much resilient our Oceans will be for the next coming decades? http://www.icsu-visioning.org/2009/07/ocean-resilience/ http://www.icsu-visioning.org/2009/07/ocean-resilience/#comments Mon, 20 Jul 2009 09:32:02 +0000 diops http://www.icsu-visioning.org/?p=803 http://www.icsu-visioning.org/2009/07/ocean-resilience/feed/ 0 What changes in policies (global to local) and human behavior will most strongly reduce human pressures on the planet’s life support systems, and how can the scientific community influence their implementation? http://www.icsu-visioning.org/2009/08/changes-in-policies-human-behavior-reduce-human-pressures-on-planets-life-support-systems/ http://www.icsu-visioning.org/2009/08/changes-in-policies-human-behavior-reduce-human-pressures-on-planets-life-support-systems/#comments Thu, 27 Aug 2009 10:08:11 +0000 fschapin http://www.icsu-visioning.org/?p=1938 http://www.icsu-visioning.org/2009/08/changes-in-policies-human-behavior-reduce-human-pressures-on-planets-life-support-systems/feed/ 0 Is there a critical global temperature rise at which the biosphere will switch from being a net sink of CO2 to being a net source? http://www.icsu-visioning.org/2009/07/biosphere-carbon-sink-to-carbon-source/ http://www.icsu-visioning.org/2009/07/biosphere-carbon-sink-to-carbon-source/#comments Thu, 23 Jul 2009 14:25:27 +0000 MartinJuckes http://www.icsu-visioning.org/?p=901 http://www.icsu-visioning.org/2009/07/biosphere-carbon-sink-to-carbon-source/feed/ 0 In hierarchical terms, what human-driven forces can potentially trigger abrupt transitions and non-linear response in biosphere? What critical thresholds and feed-mechanisms are involved and how do they operate? http://www.icsu-visioning.org/2009/07/humanforces-trigger-abrupt-transitions-biosphere/ http://www.icsu-visioning.org/2009/07/humanforces-trigger-abrupt-transitions-biosphere/#comments Wed, 29 Jul 2009 11:57:48 +0000 ernesto.viglizzo http://www.icsu-visioning.org/?p=1049 http://www.icsu-visioning.org/2009/07/humanforces-trigger-abrupt-transitions-biosphere/feed/ 0 What is the role of the biosphere in regulating climate, and which systems and processes are most influential? http://www.icsu-visioning.org/2009/08/what-is-the-role-of-the-biosphere-in-regulating-climate/ http://www.icsu-visioning.org/2009/08/what-is-the-role-of-the-biosphere-in-regulating-climate/#comments Sat, 08 Aug 2009 12:19:51 +0000 gmace http://www.icsu-visioning.org/?p=1499 http://www.icsu-visioning.org/2009/08/what-is-the-role-of-the-biosphere-in-regulating-climate/feed/ 0 What model of collective action has proven to be the most effective in harmonizing social development with the functioning of natural systems? http://www.icsu-visioning.org/2009/08/what-model-of-collective-action-has-proven-to-be-the-most-effective/ http://www.icsu-visioning.org/2009/08/what-model-of-collective-action-has-proven-to-be-the-most-effective/#comments Sun, 09 Aug 2009 16:51:26 +0000 NLucas http://www.icsu-visioning.org/?p=1568 http://www.icsu-visioning.org/2009/08/what-model-of-collective-action-has-proven-to-be-the-most-effective/feed/ 1 Current trajectory of human action is not sustainable at a global scale: how can scientific understanding of complex systems and human perturbations devise sustainable development pathways across the scientific, policy and resource management divide, particularly at the regional level where most decisions are taken? http://www.icsu-visioning.org/2009/09/how-can-scientific-understanding-of-complex-systems-and-human-perturbations-devise-sustainable-development-pathways/ http://www.icsu-visioning.org/2009/09/how-can-scientific-understanding-of-complex-systems-and-human-perturbations-devise-sustainable-development-pathways/#comments Mon, 31 Aug 2009 23:24:53 +0000 J.morais http://www.icsu-visioning.org/?p=2063 http://www.icsu-visioning.org/2009/09/how-can-scientific-understanding-of-complex-systems-and-human-perturbations-devise-sustainable-development-pathways/feed/ 0 What are earth system thresholds that are sensitive to biotic impoverishment? http://www.icsu-visioning.org/2009/08/earth-system-thresholds-sensitive-to-biotic-impoverishment/ http://www.icsu-visioning.org/2009/08/earth-system-thresholds-sensitive-to-biotic-impoverishment/#comments Tue, 18 Aug 2009 14:23:48 +0000 naeems http://www.icsu-visioning.org/?p=1967 http://www.icsu-visioning.org/2009/08/earth-system-thresholds-sensitive-to-biotic-impoverishment/feed/ 0 Do diesel particles interfere with insect tracheoles ? http://www.icsu-visioning.org/2009/08/do-diesel-particles-interfere-with-insect-tracheoles/ http://www.icsu-visioning.org/2009/08/do-diesel-particles-interfere-with-insect-tracheoles/#comments Thu, 27 Aug 2009 08:13:37 +0000 Spedding http://www.icsu-visioning.org/?p=2081 http://www.icsu-visioning.org/2009/08/do-diesel-particles-interfere-with-insect-tracheoles/feed/ 0 What are the Global changes induced by anthropogenic activities and their effect in Subsurface (3-5m below the surface) Biosphere? http://www.icsu-visioning.org/2009/08/what-are-the-global-changes-induced-by-anthropogenic-activities-and-their-effect-on-biosphere/ http://www.icsu-visioning.org/2009/08/what-are-the-global-changes-induced-by-anthropogenic-activities-and-their-effect-on-biosphere/#comments Fri, 07 Aug 2009 07:47:01 +0000 deshraj http://www.icsu-visioning.org/?p=1172 http://www.icsu-visioning.org/2009/08/what-are-the-global-changes-induced-by-anthropogenic-activities-and-their-effect-on-biosphere/feed/ 0