Munro & Associates review cars and modules and gives insights - especially to the automotive industry. Their review approach is very much based on buying a product and then tearing it apart with focus on how good engineering can benefit the product. Some robust design aspects are used (maybe unconsciously?).
David R. Martin II's Youtube Channel with Creo tutorials - from basic to advanced features. If you need Creo support - you can probably find a guide here.
For design of mechanical joints and degrees of freedom by flexibility
Brigham Young University Compliant Mechanism Research
Brigham Young University's Department of Mechanical Engineering's website. Great introduction to compliant mechanisms - publications, illustrations, examples and videos.
The Greenhouse Gas Protocol is a framework for businesses, governments, and other entities to measure and report their greenhouse gas emissions. It is one of the world’s most widely used greenhouse gas accounting standards.
Materialsmart.info by Polykemi (Rondo) is a great tool for indicative CO2 reductions by material substitution. Rondo is a provider of recycled materials with great transparency: great track record of their supply chain and footprint together with online available datasheets.