BOSTON ?EUR??,,????'??? A recent study by The New England Nursery Association shows the New England environmental horticulture industry contributes $4 billion a year to the regional economy. ?EUR??,,????'??Despite tough economic times, the industry is thriving. We are providing good jobs, paying good wages,?EUR??,,????'?? said Jesse O?EUR??,,????'???Brien, president of the association. ?EUR??,,????'??Tax revenues from the green industry continue to rise, supporting state and local governments. As a whole, green industry income in New England has risen 10 percent over the past three years. And we continue to protect and beautify the environment - keeping more than 177,000 acres of New England in agriculture - 75,000 of which is open space.?EUR??,,????'?? O?EUR??,,????'???Brein said that throughout New England, the environmental horticulture industry remains a strong contributor to the local economy, involving, as it does, many long-time, family-owned businesses. ?EUR??,,????'??Of the businesses surveyed, two-thirds of all firms saw their income increase since the previous survey,?EUR??,,????'?? O?EUR??,,????'???Brein said. ?EUR??,,????'??And those increases have averaged 31 percent per firm.?EUR??,,????'??