27. • Recycle, Reuse and Reduce.
• Separate the rubbish into categories
(paper, glass, plastic).
• Use public transport, or walk and
cycle.
• Save water, don’t let it run.
• Turn off the lights when they’re not
needed.
28. • Don’t throw papers in the streets.
• Try to plant trees or take care of them
by watering them.
• Try to consume less inorganic products.
• Use renewable energy.