CO2, CO 2, global warming, climate change, greenhouse effect, greenhouse effect gases, emisiones de gases de efecto invernadero, carbon dioxide
Climatic changes, season, climate change, phenology, Analysis, temperature, Air pollution, climatic change, Flowers \& plants, Environmental impact, Europe, ecologie, ecology, Ecosystem studies, fenologie, growing season, klimaatverandering, meta analysis, phytophenological trends, plants, temperature response, temperatuur, trend