This world is always subject to change. It's very nature is impermanence. Those who rely on the external are feeling the pangs of uncertainty and fear. So what should we do? The very first thing is to create a space and set a time where you sit and can focus on the internal, unchanging, eternal nature of yourself. Security will come from within, irrespective of the external.
To satisfy the inner longing for peace sit quietly daily, morning and evening, use the simple mantra I AM (Om So Ham) to unite with all that is (perfection) in the light of consciousness. It brings infinite stability and help you remain balanced amidst any changes in life.
It's said the greatest pollution in the world is mental pollution, because what you think in reality is already done! Such is the power of thought. As our thoughts contribute to the unrest we feel in the world, so our thoughts can contribute to harmony, peace and happiness. Establish your mind in the eternal unchanging nature of reality, that is found within your heart.
The simple nature of using a mala and mantra is certain to support you and help to discover your true nature. This ancient practice has been passed on through eternity for just that. We cannot control the world but we do have the ability to control ourselves and understand our purpose for being here.