The warning comes as cuts to American research raise fears over the ability to track and prepare for them.
Horses for Wellbeing says the funding would see children get help before they "hit crisis point".
Sea temperatures in some areas off the UK and Ireland are 4C above average.
Fish made famous by the movie Finding Nemo are shrinking to cope with marine heatwaves.
A group of researchers have come to Pipestone Creek in Canada to figure out why thousands of dinosaurs are buried here.
Events included wildlife walks, art sessions and the chance to meet an Exmoor pony.
The BBC meets astronaut Rosemary Coogan who is training at Nasa’s Johnson Space Centre in Houston, Texas.