Related by context. Frequent words. (Click for all words.) 62 Environmental Impacts 59 Corn Ethanol 58 Underpin 57 Productivity Gains 57 Novel Approach 56 Study Proves 56 Rapidly Changing 56 Becomes Reality 55 Final Stages 55 Could Harm 55 Gender Differences 55 Highlights Importance 55 Drying Up 55 Report Analyzes 55 Growth Spurt 55 Phasing Out 54 Makes Strides 54 TODAY 'S EDITORIAL 54 Illegal Logging 54 Tapping Into 54 Urgently Needed 54 Feasibility Studies 54 Diversifies 54 Helps Improve 54 Clears Hurdle 54 Relationship Between 54 Carbon Dioxide Emissions 54 Latest Developments 54 Currency Majors Technical 54 Study Predicts 54 Proposed Changes 54 Near Surface 54 Concerns Raised 53 Groups Seek 53 Causes Concern 53 Feasibility 53 Boost Productivity 53 Goes Mainstream 53 Remains Unchanged 53 Takes Root 53 Contracts Awarded 53 Unearths 53 Could Save Lives 53 Practical Applications 53 Gain Traction 53 Looks Promising 53 Gets Mixed Reviews 53 Hidden Costs 53 Climate Impacts 53 Organizational Change 53 Ethanol Production 53 Report Suggests 53 Momentum Builds 53 First Step Toward 53 Pushes Ahead 53 Grants Awarded 53 Raises Concerns About 53 Revolutionise 53 Challenges Remain 53 Seeks Input 53 Gets Bigger 53 Poses Threat 53 Deteriorate 53 Pave Way 53 Gap Widens 53 Jobless Recovery 53 Prospers 53 Environmentally Sustainable 53 Crisis Looms 53 Drill Targets 53 Talks Collapse 52 Latest Trends 52 Forges Ahead 52 Sustained Growth 52 Hydrogen Storage 52 Challenges Ahead 52 Workings 52 EPA Proposes 52 Organizational Structure 52 Watered Down 52 Could Threaten 52 Sees Continued 52 Supplier Collaboration 52 Growth Slowing 52 LEADER ARTICLE 52 Long Term 52 Commence Drilling 52 By BBH FX 52 Content Outline 52 Hydraulic Fracturing 52 GHG Emissions 52 Concerns Remain 52 Unravels 52 Erodes 52 Arises 52 Mechel Announces 52 Gains Traction 52 Economic Impacts 52 Revitalizes 52 Commissioners Approve 52 Larger Than