Mitigation

all news, articles, workshops, etc. that deal with reducing CO2 and GHG production would fit into this category:  e.g., everything from nuclear to cook stove adoption, CCS, photo-system 2, solar and wind energy as well as the benefits of enlightened urbanization and lower carbon-footprint lifestyles

GHG Reduction Consequences of Going Vegan Measured

Along with their obvious benefits, agriculture and food production have significant environment impacts: Carbon dioxide emissions result from the power requirements of farm machinery and from the transport, storage and cooking of food. Nitrous oxide (a potent greenhouse gas) is released from soils when they are tilled and fertilized. Methane (also a greenhouse gas) is released in large quantities through enteric fermentation. Indeed, food…

IPCC Working Group III's New Urbanization Chapter. Karen Seto

A video accompanying the Shell Scenarios makes reference to a sobering projection: the world is effectively adding a new city of a million people every week and will continue to do so for much of the 21st century. The growth will occur mostly in Asia, and could add as many as four billion people to a world struggling to balance growing demands for energy with growing needs to mitigate climate change.

Aerosol Sulfates. A Free Geoengineered Lunch?

In 1896 Svante Arrhenius published On the Influence of Carbonic Acid in the Air upon the Temperature of the Ground which laid out the foundation of how carbon dioxide affects global climate.  His suggestion that global coal production (then 500 million tons per year) could be so disruptive has been verified, hastened by soaring fossil fuel consumption, including a 17-fold increase in coal…

Scenarios for Getting to Zero CO2 Emissions. Nebojsa Nakicenovic

Deputy Director General and Deputy CEO of the International Institute for Applied Systems Analysis (IIASA) and Professor of Energy Economics at the Vienna University of Technology, Nebojsa Nakicenovic (“Naki”) presents a scenario from The Global Energy Assessment, wherein over 300 experts from around the world collaborated to develop multiple visions of how the world can meet a zero-emissions goal in 50 years. 

China's Short-term Energy Future. Zhang Xiliang

Industrialization, urbanization and modernization are the three major drivers responsible for China’s soaring energy needs, says Professor Zhang Xiliang of Beijing’s Tsinhua University.  China the world’s largest emitter of CO2 responsible for 60% of last year’s global increase in emissions.  With steady investment in non-carbon based alternatives, and a planned nationwide implementation of cap-and-trade by 2020, Professor Xiliang predicts that China’s emissions will plateau at 6BB tons of coal equivalent by 2030.

The Promise of Geographically Distributed Solar-Thermal Power

Renewable energy-based grids of the future face technical challenges on a large scale, the most obvious of which is the intermittent nature of most renewable sources of power: Solar and wind power both vary throughout daily and yearly cycles, while both are subject to highly unpredictable weather conditions.  While past studies have demonstrated that this variability can be balanced with fast-ramp…

Light Management Key to Reaching Solar Cell Efficiency Limit

In 1961, the Nobel Prize-winning co-inventor of the transistor, William Shockley, and his colleague, Hans Quisser, identified the theoretical maximum conversion efficiency of a solar cell. They called this the “detailed balance limit,” because maximum efficiency would occur when photons absorbed from and emitted to the sun were in the proper balance. This theoretical limit has been beyond the…

Can't Stand the Smoke

Acute respiratory infections – the result of smoky cooking fires in poorly ventilated homes – kill an estimated 4 million people each year1, most of them women and children in developing nations.  Household air pollution (HAP) and the unimproved cook stoves that cause it…

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