Turn off that camera during virtual meetings, environmental study says Note to journalists: For a copy of the paper and spreadsheets of the data, please contact Kayla Wiles, Purdue News Service, at wiles5@purdue.edu or 765-494-2432. A high-resolution chart showing environmental footprints by the app is available via Google Drive. Journalists visiting campus should follow visitor health guidelines. A new study estimates the approximate carbon, water and land footprints associated with each hour of data spent in popular internet apps. (Purdue University/Kayla Wiles) Simple tips to go green with your internet use during a pandemic WEST LAFAYETTE, Ind. — It’s not just to hide clutter anymore – add “saving the planet” to the reasons you leave the camera off during your next virtual meeting.