1. INTRODUCTION

2. DATA

2.1. Galaxy surveys

2.2. O VI measurements

2.3. Associating galaxies with O VI absorption

3.1. An empirical model for O VI around star-forming galaxies

3.2.2. Scaling relations for M O VI

4. DISCUSSION

4.2. The contribution of star-forming galaxy O VI to $\mathrm{d}N/\,\mathrm{d}z$

4.3. The distribution of O VI around star-forming galaxies

4.4. The influence of galaxy environment

4.5. What conditions does O VI trace?

5. CONCLUSION