Nature Network

To encourage and spread more environmentally inspired changes, Wal-Mart and Mother Nature Network are inviting people to share their ideas and innovations on Twitter for a chance to win a $100 Wal-Mart gift card monthly. The contest is inspired by The Leaderboard, a new editorial destination from Wal-Mart and Mother Nature Network that celebrates innovators and visionaries who are improving the world. The monthly #WinItWednesday contest kicked off yesterday.

BENTONVILLE, Ark. — Walmart and Mother Nature Network are inviting people to use Twitter to express their green ideas for the chance to win a $100 Walmart gift card. The contest begins at 11 a.m. CST when @WalmartGreen will post the inaugural question:...