Icelandic waterfalls in

cigarette butt, disaster

70-74 years, at the beach

40-44 years, copy space

concept

20-24 years, awareness

young adult, problem

sustainable development

sky, sea, seaweed, ecology

red, triangle, sky, cloud

ecology, 45-49 years

biodiversity

yellow, roller shutter

gray, global warming

Stairs leading to the

Basalt and black sand

View of the ocean from a

Ring of trees around

religious offering

Wrecked car abandoned

countryside, vegetation

brown, 30-34 years

natural resources

Recycling symbol on apple

sunny

tree

Woman rolling tire to

ecology

pond, morning, ecology

ecology, 20-24 years

ecology

environmental protection

Geothermal power station

Wind turbines in

protection

Holding fitness ball in

ecology, global warming

Tree stumps, full frame

Man holding large

20s

environmental protection

Planet earth shrouded in

Electric car with

70-74 years

Cupped hands next to

reproach, text

hope, future

Man on beach holding up

Heart-shaped stones

gardening