I saw this message on a shirt today. It was on the back of a shirt a man walking in front of me was wearing. Maybe a cotton shirt, or maybe a synthetic oil based shirt. Either way, it is part of the problem, not part of the solution. You cannot have a world without cancer when you have synthetic running shirts, especially ones that have toxic ink silk screened onto them. You cannot have a world without cancer and have computers, or synthetic running shoes, or stopwatches. What is less damaging to the environment, a blank cotton t shirt or a cotton t shirt with toxic ink on it in the form of the words "Go Green"? The answer: The blank t shirt is less damaging to the environment than the t shirt that has "Go Green" silk screened onto it. You can't have a world without cancer and have synthetic t shirts that say "IMAGINE A WORLD WITHOUT CANCER". You can imagine anything you like, but to actually manifest it, you have to cut out all things that are keeping it from being. Synthetic t shirts that say "IMAGINE A WORLD WITHOUT CANCER" cause cancer. MRI machines, the manufacturing of them, causes cancer. The labs built to test new drugs cause cancer. Cell phones cause cancer. Plastic causes cancer.
An interesting side note, cancer has been found in ancient Egyptian mummies. The earliest written mention of it is in an ancient (1500BC) papyrus. Breast cancer was treated with cauterization. The pre-industrialized era had cancer.