'green efforts' is correct and usable in written English.
It can be used to refer to actions taken or initiatives launched in order to reduce the negative environmental impacts of human activities. For example: "Let's do our part by making green efforts to reduce our carbon footprint."
Unfortunately, with my green efforts I take one step forward and two huge strides back, leaving a massive smudgy carbon footprint with my "mumtruck".
The schools' green efforts have ignited a commitment among some students in the school to make other earth-friendly changes in their lives.
To be sure, it is still pushing ahead with its green efforts, like the Volt, which is parked front and center in G.M.'s sprawling display here.
That was a sweet moment for Mr. Burns, 55, who for years has championed G.M's green efforts in a tireless and easy-to-understand way.
By 2011, some schools and other organisations had achieved or exceeded their 10% target and wanted to take their green efforts to the next level.
Even one of its most iconic companies, Harley-Davidson, is slowly increasing its green efforts, including the recycling initiatives that benefit other local businesses.
The "green" effort extends to framing, furnishing and landscaping.
Forgive me, French opera fans, but I find Puccini's green effort more musically rich and dramatically effective.
In the historic hamlet of Rosemont — population 49 — the Victorian farmhouse and its four barns have been restored by the developer Lise Thompson, whose two-year-old company, Conservation Development of Hillsborough, made the project its first "green" effort.
She reaches for a hot half-caff coffee (in a rinsed-out plastic Pepsi bottle, a green effort, she says, and yep, she had the same bottle at a meeting weeks earlier) and says: "I am a big B.U. fan, and I think there is a lot B.U. offers.
"Every single company is making at least a light green effort," he said.
