Throughout the world, a new era of waste treatment is coming. Not long ago, Russian scientists have been able to use plasma technology to deal with harmful gases generated during the waste incineration process and harmless the "sludge muddy water" produced by urban life, making it Turned into humic acid fertilizer. German scientists created the "wind sorting technology", which made the world see a broad future of waste disposal. This technology ended the manual sorting of waste, allowing wind to replace people with plastic and glass in waste. Sorting paper, etc. , has raised the waste treatment process to an unprecedented new stage. What's best for this text title? ['Waste: misplaced resources.', 'Technology: The Key to Waste Management.', 'Wind: The "robot" in the new era.', 'Harmlessness: the future of waste disposal.']