Negative Emissions Technologies for Climate Change Mitigation provides a comprehensive introduction to the full range of technologies that are being researched, developed and deployed in order to transition from our current energy system, dominated by fossil fuels, to a negative-carbon emissions system. After an introduction to the challenge of climate change, the technical fundamentals of natural and engineered carbon dioxide removal and storage processes and technologies are described. E...

This collection of fully peer-reviewed papers were presented at the 26th Leeds-Lyon Tribology Symposium which was held in Leeds, UK, 14-17 September, 1999. The Leeds-Lyon Symposia on Tribology were launched in 1974, and the large number of references to original work published in the Proceedings over many years confirms the quality of the published papers. It also indicates that the volumes have served their purpose and become a recognised feature of the tribological literature. This year'...

Religion and spirituality make critical contributions to an inclusive vision for the welfare of minorities, the marginalized and other disadvantaged groups in societies and cultures around the globe. Religious movements and spiritual traditions work to improve social outcomes for disenfranchised groups by enriching educational, political, and social agendas, and by providing a wide variety of justice-driven programs and services. Values underpinning these services include the dignity of th...

Throughout the long centuries of human history is the want, and the need, to share information, to exchange ideas and for that knowledge and experience, for curiosity and learning, to be the basis of a civil society.In literature the ambition is much narrower. In order to be known, to be popular, you had to be published. And for that people had to know you existed and your ideas worth reading. Obviously for most of humanity’s time people couldn’t read and texts couldn’t be publishe...

The 24th Leeds-Lyon Symposium was held in London from 4th-6th September 1997, where it was hosted by the Imperial College of Science, Technology and Medicine.The meeting addressed the topic of "Tribology for Energy Conservation" and attracted a wide range of stimulating papers and speakers. Some 150 delegates from nineteen countries attended and about sixty papers were presented in fifteen sessions. These covered the topics of lubricants, wear, friction reduction, hydrodynamics, elastohydr...