For Earth Day 2024, Tide and Walmart have forged a joint effort to help Americans make a “smart,” more sustainable choice in the laundry room – washing in cold – as consumers continue to express desire for more eco-friendly options.    The multi-month campaign will include in-store product sampling and demos, digital advertising, in-store signage and social media promotion to help establish cold water as the next broadly adopted eco-habit, while underscoring the personal bene...