MNN - Mother Nature Network

Protesters hold up signs on May 1 during a May Day rally organized by the New South Wales Farmers Association outside the parliament building in Sydney.

 

Farmers, activists and community members called on government leaders to toughen mining restrictions for the protection of ecologically sensitive lands and bodies of water.

 

Young boys wearing cowboy hats and environmentalist bumper stickers across their shirts sit on a platform during a May Day rally in Sydney.

 

May Day, also known as International Workers' Day, is a celebration of social movements from around the world, though it is most notably associated with labor movements. Although it is an official holiday in more than 80 countries, it is celebrated unofficially in some countries, including the United States.