Answer: I think that in the recent years we are not losing our four distinct seanson, they just change. While the four traditional seasons experienced by Earth's middle latitudes won't disappear, they are changing in length and intensity. The growing seasons are shifting. Spring is arriving earlier, winters are shorter, and the number of freezing days is declining. These changes affect the timing of many life cycle events, such as when flowers bloom or when pollinators emerge.
Sometimes when you found an unfamiliar word in a text you can use references of the context to infer the meaning of that one you missed, find comparisons and opposite if the text provides them.