Emissions, Air Concentrations and Atmospheric Depositions of Arsenic, Cadmium, Lead, and Nickel in Italy in the Last Two Decades: A Review of Recent Trends in Relation to Policy Strategies Adopted Locally, Regionally, and Globally M. Strincone, A. Fino, G. Cattani, M. Catrambone, and N. Pirrone Role of Feedstock Transport in the Balance of Primary PM Emissions in Two Case-Studies: RMSW Incineration vs. Sintering Plant Simona Ciuta, Marco Schiavon, Alessandro Chistè, Marco Ragazzi, Elena Cristina Rada, Marco Tubino, Adrian Badea, and Tiberiu Apostol A Critical Analysis of Emissions and Atmospheric Dispersion of Pollutants from Plants for the Treatment of Residual Municipal Solid Waste Gabriela Ionescu, Dino Zardi, Werner Tirler, Elena Cristina Rada, and Marco Ragazzi Performance of a Diesel Engine with Blends of Biodiesel (from a Mixture of Oils) and High-Speed Diesel Hifjur Raheman, Prakash C. Jena, and Snehal S. Jadav Comparative Analysis of Exhaust Gases from MF285 and U650 Tractors Under Field Conditions Gholami Rashid, Rabbani Hekmat, Lorestani Ali Nejat, Javadikia Payam, and Jaliliantabar Farzad Respiratory Quotient (Rq), Exhaust Gas Analyses, CO2 Emission and Applications in Automobile Engineering Kalyan Annamalai Life Cycle Greenhouse Gas Emissions from Electricity Generation: A Comparative Analysis of Australian Energy Sources Paul E. Hardisty, Tom S. Clark, and Robert G. Hynes Effects of Energy Production and Consumption on Air Pollution and Global Warming Nnenesi Kgabi, Charles Grant, Johann Antoine Venting and Leaking of Methane from Shale Gas Development: Response to Cathles et al Robert W. Howarth, Renee Santoro, and Anthony Ingraffea Life-Cycle Greenhouse Gas Inventory Analysis of Household Waste Management and Food Waste Reduction Activities in Kyoto, Japan Takeshi Matsuda, Junya Yano, Yasuhiro Hirai, and Shin-ichi Sakai Assessing "Dangerous Climate Change": Required Reduction of Carbon Emissions to Protect Young People, Future Generations and Nature James Hansen, Pushker Kharecha, Makiko Sato, Valerie Masson-Delmotte, Frank Ackerman, David J. Beerling, Paul J. Hearty, Ove Hoegh-Guldberg, Shi-Ling Hsu, Camille Parmesan, Johan Rockstrom, Eelco J. Rohling, Jeffrey Sachs, Pete Smith, Konrad Steffen, Lise Van Susteren, Karina von Schuckmann, and James C. Zacho