@fernandag
Yes, climate change is altering landscape colors. Satellite data shows widespread "greening" of Earth, with increased leaf area in 25-50% of vegetated lands due to CO2 fertilization, longer growing seasons, and warmer temperatures. However, some regions experience "browning" from drought or stress. Warmer falls can delay or dull autumn foliage vibrancy, reducing brilliant reds.nasa.gov
earthobservatory.nasa.gov
independent.co.uk