Let's talk economically.
A Very Simple explanation is to say that Forests Add Humidity To The Air. Therefore If There Are Less Trees, The Temperature Outside becomes Hotter. That Leads To Climate Change, And Causing A Decline in Precipitation. This Eventually Leads To Drought, meaning There Will Be A Disruption In Cropping Programs, and livestock will be killed.
When the last tree dies, the last man will die
The Earth Is quickly Becoming Unsafe For Human Habitation. This Is No Longer A Subject Of Speculation, Whispered Among Scientists And within Government Circles. Ordinary People Are Living This Reality. Human Lives Are Largely Supported By The Benefits of trees to the atmosphere. How? Trees Produce Oxygen And Filter The Air We Breathe. For Instance, A Mature Leafy Tree Produces As Much Oxygen In A Season As 10 People Inhale In A Year. Trees Help Cleanse The Air By Intercepting Airborne Particles, And Absorbing Carbon Dioxide, Which Has Serious Environmental Implications.
Species extinction
Seventy Percent Of The World’s Plants And Animals Live In Forests, And they Are Losing Their Habitats. This Is Not Only A tragedy for biodiversity, But it Also Has Negative Consequences For Medicinal Research, And Local Populations Who Rely On The Animals And Plants In The Forests For Hunting And Medicine.
Effect it has on global climate change
Healthy Forests Help Absorb Greenhouse Gasses And Carbon Emissions which Are created By Human Civilization, And Contribute To Global Climate Change.Without Trees, More Carbon And Greenhouse Gasses Enter The Atmosphere. To Make Matters Worse, Trees Actually Become Carbon Sources When They Are Cut, Burned, Or Otherwise Removed. “Tropical Forests Hold More Than 210 Gigatons Of Carbon, And Deforestation Represents Around 15 Percent Of Greenhouse Gas Emissions,” According To The World Wide Fund For Nature