Non-profit organizations use posters to deliver a particular message. These help inform people about current issues, problems and even the possible consequences of their actions. With a sentence that contains strong words or images, these posters give more impact than common commercial posters.

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To give you an idea, here are 20 sample campaign posters to provoke your imagination. Enjoy!

Wildlife is becoming harder to find in Vietnam.

Wildlife is becoming harder to find in Vietnam.

Winter. You’ll miss it when it’s gone.

Winter. You’ll miss it when it’s gone.

Who are the real monsters? 75,000,000 sharks are killed by humans each year.

Who are the real monsters? 75,000,000 sharks are killed by humans each year.

When they speak, we listen.

When they speak, we listen.

Shit is not a cool band. Clean up after your dog.

Shit is not a cool band. Clean up after your dog.

Say no to child labor.

Say no to child labor.

Can you treat yourself better than your doctor? Self-medication can put your life in danger.

Can you treat yourself better than your doctor? Self-medication can put your life in danger.

Nothing we do will ever bring them back. Save the rhino.

Nothing we do will ever bring them back. Save the rhino.

Please don’t dive with white sharks. Don’t waste your blood. Donate.

Please don’t dive with white sharks. Don’t waste your blood. Donate.

All under 25 who are sexually active should test for Chlamydia every year and avery time they change partner.

All under 25 who are sexually active should test for Chlamydia every year and avery time they change partner.

For some people, life is that expensive. Join us at www.bassma.org and lend a helping hand.

For some people, life is that expensive. Join us at www.bassma.org and lend a helping hand.

Preparing today reduces the consequences of disaster tomorrow. Visit ready.gov.

Preparing today reduces the consequences of disaster tomorrow. Visit ready.gov.

Two thirds of college students in Mississippi don’t smoke.

Two thirds of college students in Mississippi don’t smoke.

Please clean up after your dog.

Please clean up after your dog.

Thousands of people owe their lives to organ donors.

Thousands of people owe their lives to organ donors.

Your pocket change may not mean much to you. But to a child suffering a cleft palate, it can make a world of difference.

Your pocket change may not mean much to you. But to a child suffering a cleft palate, it can make a world of difference.

One mistake is all it takes.

One mistake is all it takes.

Help us reconcile cancer sufferers with their image.

Help us reconcile cancer sufferers with their image.

Smoking kills 14,000 people every day.

Smoking kills 14,000 people every day.

Don’t ever lose you license, you might end up screwed.

Don’t ever lose you license, you might end up screwed.

Looks morbid but got the message? Don’t treat others the way you don’t want to be treated.

Looks morbid but got the message? Don’t treat others the way you don’t want to be treated.

The human hand isn’t always creative. Sometimes it destroys. The polar ice caps are melting. We can all do something to slow down global warming. It’s in our hand to save the planet.

The human hand isn’t always creative. Sometimes it destroys. The polar ice caps are melting. We can all do something to slow down global warming. It’s in our hand to save the planet.

Find the bigger killer.

Find the bigger killer.

Enjoy smoking. Your space is ready!

Enjoy smoking. Your space is ready!

Act now.

Act now.

Every 60 seconds, a species dies out.

Every 60 seconds, a species dies out.

What’s the price of a bottle of champagne? Don’t drink and drive.

What’s the price of a bottle of champagne? Don’t drink and drive.

Deal with the consequences.

Deal with the consequences.

The longer you wait, the deadlier abuse gets.

The longer you wait, the deadlier abuse gets.

NYC goes three ways.

NYC goes three ways.

We transform sadness into hope.

We transform sadness into hope.

Go ahead, break my ribs. If I’m lucky, I’ll be around to thank you tomorrow.

Go ahead, break my ribs. If I’m lucky, I’ll be around to thank you tomorrow.

Abuse through prostitution steals children's lives. Help end this obscenity.

Abuse through prostitution steals children's lives. Help end this obscenity.

Available for careless drivers, at all intersections.

Available for careless drivers, at all intersections.

Smoking kills.

Smoking kills.

Together we can provide African communities with clean and potable water.

Together we can provide African communities with clean and potable water.

Human rights need your flame. Buy a candle.

Human rights need your flame. Buy a candle.

Would you care If I was a panda?

Would you care If I was a panda?

,a href=”http://adsoftheworld.com/media/ambient/wwf_brazil_turtle”>Make your donation to the WWF Brazil here and see who you'll be helping.

Make your donation to the WWF Brazil here and see who you'll be helping.

Your tips help expose criminals.

Your tips help expose criminals.

In creating campaign materials for different causes, you don’t need to hire popular artists or learn advanced design software. You just have to think of an idea, how best to depict it and use posters as a means.