Antonyms for the word "environmentally-safe," also known as "eco-friendly," are phrases that describe actions, products, or practices that harm or damage the environment. These antonyms include terms such as "polluting," "toxic," "hazardous," "damaging," "destructive," and "unsustainable." Products and practices associated with these terms release harmful chemicals and substances into the air, water, and soil, leading to negative impacts on natural ecosystems and public health. Choosing environmentally harmful alternatives contributes to the depletion of natural resources and the degradation of the planet. Therefore, it is essential to make more eco-friendly choices to reduce our environmental footprint and ensure a healthy planet for future generations.