This proceedings volume contains a collection of 20 papers from the following symposia held during the 2015 Materials Science and Technology (MS&T ''15) meeting:

• 7^th International Symposium on Green and Sustainable Technologies for Materials Manufacturing Processing
• Materials for Nuclear Applications and Extreme Environments
• Materials Issues in Nuclear Waste Management in the 21^st Century
• Nanotechnology for Energy, Healthcare and Industry
• Materials for Processes for CO₂ Capture, Conversion and Sequestration
• Hybrid Organic – Inorganic Materials for Alternative Energy