Entries open until July 9
Judged by a panel of industry experts, the 2010 Look Home Green Design Awards recognise the best in sustainable, affordable and innovatively designed homes. Winners will be picked across five categories: best new-custom built home, best display or demonstration home, best medium density/townhouse development, best renovation, and best shed or studio. For information on how to enter see www.lookhome.com.au.

Sydney, March 5-7
Sydney Town Hall will be officially reopened to the public after a $40 million overhaul, including the installation of 240 state-of-the-art solar panels - the largest photovoltaic installation in the Sydney CBD, and other green additions. Following the official opening will be three days of celebration and the ‘Live Green House’, showcasing sustainable living, will visit. www.cityofsydney.nsw.gov.au

Adelaide, March 5-8, 2010
The WOMADelaide festival transforms Adelaide’s beautiful Botanic Park into an oasis of music, arts and dance from around the world. The festival line-up features 65 incredible acts from 27 countries including our own Xavier Rudd, Ethiopian star Mahmoud Ahmed and India's Ravi Shankar. So this March enjoy the sounds of the planet at 2010 WOMADelaide festival. www.womadelaide.com.au

April 22
International Earth Day is a global day of action, encouraging people across the globe to walk the talk. This year marks the campaign’s 40th anniversary, and by doing something that respects or protects the Earth you can help to contribute to the Billion Acts of Green theme. www.earthday.net

Melbourne, April 18, 2010
The second Live Earth event is taking place over 24 hours in 192 countries, this time focussed on the global water crisis. Melbourne is the Australian venue this time, where there’ll be a 6 km run/walk - the average distance travelled by women and children in developing countries as they fetch water each day. www.runforwateraustralia.com

April, 2010
Aveda’s Earth Month campaign seeks to raise $3 million to protect clean water supplies, with the money channelled into water-based project grants through the Global Greengrants Fund. The campaign features a Walk for Water on the week of the 22nd, which lets the feet do the talking in the campaign for clean water. www.aveda.com.au or see www.yourcause.com to donate.

March 22, 2010
Today is UN World Water Day, a time to contemplate and strive to protect this precious liquid resource, and to address issues surrounding its management. This year’s theme is water quality, including how wastewater can be productively used, so make sure you’re greywater-wise. www.worldwaterday.org

March 27, 2010, 8.30-9.30pm
Show you care about the planet by switching off your lights between 8.30pm and 9.30pm. Get a group of friends together or host a neighbourhood event to support this global WWF initiative in reducing our environmental footprint.
www.earthhour.org.au

March 17, 2010
Encourage the kids to use peddle-power (or to walk if they can’t ride), to get to school and hopefully it will start a trend for the rest of the year! Great for their health and the wellbeing of our planet.
www.ride2school.com.au

March 7, 2010
2010 marks the 20th anniversary of Clean Up Australia Day, so grab your gloves and join thousands of Aussies to make this the biggest one yet! Beaches, parks and streets are all fair game. To get involved register your clean up site online or volunteer to join another group in your local area. www.cleanupaustraliaday.org.au