Young voices of change - Crossword

To tell somebody what you think is best
A public expression of opinion by holding meetings and processions, showing placards etc.
The policy of keeping one group of people apart from another and treating them differently, especially, because of race, sex, or religion
Changes in the world's weather, in particular the fact that it is believed to be getting warmer as a result of human activity increasing the level of carbon dioxide in the atmosphere
An unfair and unreasonable opinion or feeling, especially when formed without enough thought or knowledge
The quality or fact of not treating people in an equal way, or of being morally wrong
Someone who is determined and unwilling to change their opinions and beliefs
To be brave enough to do something difficult or dangerous
Knowledge that something exists, or understanding of a situation or subject at the present time based on information or experience
A result that your plans or actions are intended to achieve
To protect someone or something against attack or criticism; to speak in favor of someone or something
A socially valuable principle that is strongly supported by some people
A document signed by a large number of people demanding or asking for some action from the government or another authority