FRESENIUS ENVIRONMENTAL BULLETIN, cilt.29, sa.12A, ss.11412-11419, 2020 (SCI-Expanded)
The presence of Greenhouse gases in the atmosphere are the causes of greenhouse effect which subsequently leads to global warming. Consequently, the causal relationship between CO2 emissions, energy consumption and Gross Domestic Product per capita as a result of agricultural activities are examined by means of a panel data for OECD countries over the period 1995-2015. In order to determine the unit root, different tests such as Im, Pesaran and Shin W-stat (IPS) and Breitung t-stat (BT) are used. The Johansen and Pedroni panel cointegration tests confirmed which of the variables were cointegrated. The long-run relationships from the panel data are estimated by Panel Dynamic Ordinary Least Squares (DOLS). According to the expectations, there is a statistically significant positive relation between energy consumption and CO2 emissions. There is an evidence of unidirectional Granger causality that runs from energy consumption and CO2 emissions to a long run economic growth.