Within Design, Sustainability is becoming increasingly important as end users care more and more about the impact their purchases have on the world, as the first step in the products creation, the Design Stage can cause a lot of the damage the final product will have, as such it can also greatly reduce the negative impact if approached with that mindset
Sustainable design, planned obsolescence, design for disassembly, design for recycling, design for end of life

Planned Obsolescence is a major contributor to the negative impact products today have on the world. As such, designing products to instead last longer, be easier to dispose of and use as little material and different materials as possible greatly helps to reduce this impact
Additionally, end-of-life planning is vital, when designing the product thinking how a product can be disassembled to repair or be dispose of and separated into its different materials for recycling can help solve the majority of issues that happen today