A Kensington resident’s letter advocating for weekday use of Green-Wood Cemetery’s additional entrances garnered more than 100 signatures, prompting cemetery officials to agree to open all four gates to fresh air-seekers amid the current outbreak. “We have adjusted the open hours for our Gates to accommodate those of you seeking a place to enjoy art, history, and nature while practicing precautions to reduce the spread of coronavirus,” read an April 1 statement on the cemetery’s website. On March 14, local resident Caroline Loomis penned a letter to Green-Wood Cemetery, Sunset Park Councilman Carlos Menchaca and Park Slope Councilman Brad Lander…