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To achieve goals for climate and economic growth, "negative emissions technologies" (NETs) that remove and sequester carbon dioxide from the air will need to play a significant role in mitigating climate change. Unlike carbon capture and storage technologies that remove carbon dioxide emissions directly from large point sources such as coal power plants, NETs remove carbon dioxide directly from the atmosphere or enhance natural carbon sinks. Storing the carbon dioxide from NETs has the same impact on the atmosphere and climate as simultaneously preventing an equal amount of carbon dioxide from being emitted. Recent analyses found that deploying NETs may be less expensive and less disruptive ...
An atmospheric scientist explains why global climate change mitigation and energy decarbonization demand American diplomacy, technology, and policy "Daniel Cohan makes a compelling case that the problem of climate change is solvable. Fixing the gridlock on global action requires fixing the gridlock here in the United States of America. Cohan shows how that can be done."--David Victor, University of California, San Diego Professor of environmental engineering Daniel Cohan argues that escaping the gravest perils of climate change will first require American diplomacy, technological innovation, and policy to catalyze decarbonization globally. Combining his own expertise along with insights from...
The papers in these two volumes were presented at the International Conference on “NexGen Technologies for Mining and Fuel Industries” [NxGnMiFu-2017] in New Delhi from February 15-17, 2017, organized by CSIR-Central Institute of Mining and Fuel Research, Dhanbad, India. The proceedings include the contributions from authors across the globe on the latest research on mining and fuel technologies. The major issues focused on are: Innovative Mining Technology, Rock Mechanics and Stability Analysis, Advances in Explosives and Blasting, Mine Safety and Risk Management, Computer Simulation and Mine Automation, Natural Resource Management for Sustainable Development, Environmental Impacts and Remediation, Paste Fill Technology and Waste Utilisation, Fly Ash Management, Clean Coal Initiatives, Mineral Processing and Coal Beneficiation, Quality Coal for Power Generation and Conventional and Non-conventional Fuels and Gases. This collection of contemporary articles contains unique knowledge, case studies, ideas and insights, a must-have for researchers and engineers working in the areas of mining technologies and fuel sciences.
In order to rescue ourselves from climate catastrophe, we need to radically alter how humans live on Earth. We have to go from spending carbon to banking it. We have to put back the trees, wetlands, and corals. We have to regrow the soil and turn back the desert. We have to save whales, wombats, and wolves. We have to reverse the flow of greenhouse gases and send them in exactly the opposite direction: down, not up. We have to flip the carbon cycle and run it backwards. For such a revolutionary transformation we’ll need civilization 2.0. A secret unlocked by the ancients of the Amazon for its ability to transform impoverished tropical soils into terra preta—fertile black earths—points ...