#280. I opened the shades and drapes in the morning to let in the sun.
#281. I put vegetable scraps in the compost.
#282. I recycled glass, paper, plastic and metal.
#283. I printed out instructions on creating your own backyard wildlife refuge for my students.
#284. I took care of my houseplants.
#285. I gave a patch to one of my students for her efforts to stop global warming.
#286. I signed an online petition to ask auto makers to produce more efficient cars.
#287. I waited till the dishwasher was full to wash dishes.
#288. I ran the dishwasher late at night to use non-peak power.
#289. I closed shades and drapes at dark to conserve heat.
#290. I turned off lights, TV and computer when not being used.