Blank warning sign (green) where new warning sign is to be created or warning is written in. A different version in Orange is available in this collection.
Ecology concept vector art collection with sun shape, green yin and yang symbol, recycling sign, active person and water drops Illustrator pattern to create original clean energy, environment, organic design elements, pollution, global warming and conservation design themes.
Save water save earth: Water drop from rg1024(http://openclipart.org/detail/20448/set-of-water-drops-by-rg1024) and hand clip art from Anonymous(http://openclipart.org/detail/25610/calligraphy-by-anonymous-25610)