use up - natural resources , rely on - fossil fuels , emit - carbon dioxide , reduce - your carbon footprint , invest in - renewable energy , protect - endangered species , save - energy , recycle - plastic/paper /glass, alter - your behaviour , lead - a green lifestyle , cause - global warming , combat - climate change,

Leaderboard

Visual style

Mga Option

I-switch ang template

I-restore ang gi-autosave: ?